the answer is Brittleness
The characteristic that is not present in metals that can be attributed to the bonding and arrangement of atoms is brittleness. The correct option is A.
What are metals?Metals are the chemical elements present in the periodic table. They are classified as metals because of their properties of reacting, softness and malleability, etc.
Some metals are iron, oxygen, magnesium, aluminum, etc. They are both solid, liquid, or gas. They are highly electrical or thermally conductive, ductile, and reflective.
On the other hand, non-metals are less reactive, very hard, and non-malleable. Brittleness is the quality of non-metals, not metals. Due to the brittleness of non-metals, they are not easy to the bonding and arrangement of atoms.
Thus, the correct option is A. brittleness.
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C6H12O6 + 6O2 → 6CO2 + ? H2O + energy
Whats the answer? I really don't know,
Answer: C. 6
Explanation:
According to the Law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.
The balanced chemical reaction for photosynthesis is :
[tex]C_6H_{12}O_6+6O_2\rightarrow 6CO_2+6H_2O+energy[/tex]
Thus the coefficient of water is 6.
put the following in order from LARGEST TO SMALLEST nuclueus,molecule,electron,atom,proton and a teacher
Answer:
electron, proton, nucleus, atom, molecule teacher
define thermal and electrical conductivity, solubility, magnetism, melting and boiling points
Answer:
thermal conductivity: the rate at which heat is transferred by conduction through a unit cross-section area of a material, when a temperature gradient exits perpendicular to the area
electrical conductivity: the measure of the amount of electrical current a material can carry or it's ability to carry a current
solubility: the ability to be dissolved, especially in water
magnetism: a physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects
melting point: the temperature at which a given solid will melt.
boiling point: the temperature at which a liquid boils and turns to vapor
Explanation:
hope this helps :D pls mark brainliest :D
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Answer:
I know the answer, but it is hard to explain
Explanation:
yIt easy u but the single letter in the outside boxes. Then u but the one in the middle box. But the BB in one corner. then but bb on the opposite corner. Then but Bb on the other box.
Answer:
father.....Bb
mother.....bb
offspring, 50%Bb brown eyes ,50%bb blue eyes
. If the half-life of cesium-133 is 30 years, how much of a 600g sample of cesium-133 will be left after
150 years
Answer:
Caesium (55Cs) has 40 known isotopes, making it, along with barium and mercury, one of the elements with the most isotopes. The atomic masses of these isotopes range from 112 to 151. Only one isotope, 133Cs, is stable. The longest-lived radioisotopes are 135Cs with a half-life of 2.3 million years, ... It constitutes most of the radioactivity still left from the Chernobyl accident ...
In TEN complete sentences, describe how the LAW OF CONSERVATION applies to the stuff YOU OWN. For example: In real life, can new XBOXs be magically created, or garbage magically destroyed? Why? You are made up of recycled atoms. Where did these atoms come from? *
Answer:
Both the initial and final substances are composed of atoms because all matter is composed of atoms. According to the law of conservation of matter, matter is neither created nor destroyed, so we must have the same number and type of atoms after the chemical change as were present before the chemical change.
Explanation:
The atoms that make up your body were produced inside a star and have ... I read once that atoms get recycled so much through the planet that each of ... from William Shakespeare, but I do know this: All of us come from stars. ... If you have gold fillings in your teeth, those atoms came from a star explosion.
How did scientists discover that rocks farther away from the mid-ocean ridge were older than those near it?
a. by measuring how fast sea-floor spreading occurs
b. by observing eruptions of molten material on the seafloor
c. by determining the age of rock samples obtained by drilling on the seafloor
d. by mapping rocks on the seafloor using sonar
Scientists discover that rocks farther away from the mid-ocean ridge were older than those near it by C. determining the age of rock samples obtained by drilling on the seafloor.
According to the scientists, it was noted that new oceanic crusts were formed at the mid-ocean ridges. When it cools down, then the magnetic field during its formation is recorded.
The magnetic stripes become older when they move away from the mid-ocean ridge. The geologic dating technique was used in the seafloor rocks. It was found that the youngest rocks were at the mid-ocean ridges while the rocks get older due to their distance from the ridge crest.
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Which set of elements below is the most similar in chemical behavior?
OH, Be, SC
O Fr, Ra, Rf
O TI, V, Cr
O Be, Ca, Ra
Answer: Be, Ca, Ra
Explanation:
Elements are distributed in groups and periods in a periodic table.
Elements that belong to same groups will show similar chemical properties because they have same number of valence electrons.
Berrylium (Be) , Calcium (Ca) and radon (Rn) are elements which belong to Group 2. They have 4, 20 and 88 electrons respectively and contain 2 valence electrons each and thus can lose two electrons to complete their octet. Thus they will show similar chemical properties.
The chemical reactivity of elements is governed by the valence electrons present in the element.
What happens when a wave hits an object?
the wave is reflected
the wave continues on
the wave is interfered with
the wave stops
How many sucrose molecules will be in 250 grams
We will need to know Avogadro's number and the molar mass of sucrose for this problem to do dimensional analysis.
Avogadro's number: 6.022 × 10²³ moleculesMolar mass of sucrose: 342.2965 g/mol250g × [tex]\frac{1 mol}{342.297g}[/tex] × [tex]\frac{6.022 * 10^{23} molecules}{1 mol}[/tex] = 4.398 molecules
There are 4.398 sucrose molecules in 250 grams of sucrose.
calculate the mole fraction of alcl3 in a solution made by dissolving 195 g of alcl3 in 240 ml of water
The mole fraction of 195 g AlCl3 in 240 mL of water is 0.099.
Mole fraction is the ratio of the number of moles of a particular component to the total number of moles in the mixture. To determine the mole fraction of AlCl3, the mass of AlCl3 will be converted to moles and the number of moles of water must be determined. Since the amount of water used is expressed in volume, we will be using the density of water to determine the mass of water for a given volume.
Solving for the moles of AlCl3:
moles AlCl3 = mass AlCl3 / molar mass of AlCl3
moles AlCl3 = 195 g / 133.33 g/mol
moles AlCl3 = 1.4625 mol
Solving for moles of water:
A commonly used density of water is 1 g/mL.
240 mL of water * (1 g/mL) = 240 g of water
moles water = mass water / molar mass water
moles water = 240 g / 18.02 g/mol
moles water = 13.32 mol of water
Mole fraction = mol AlCl3 / ( mol AlCl3 + mol water)
Mole fraction = 1.4625 / {1.4625 +13.32)
Mole fraction of AlCl3 is 0.099
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Explain why, in a balanced chemical equation C + O2 CO2, we know that 1 gram of C will not react exactly with 1 gram of O2.
Answer:
See the answer below
Explanation:
From the equation, 1 mole of C requires 1 mole of O2 for a balanced reaction.
1 g of C will not exactly react with 1 g of O2 because the 1 g of each of the reactants contain different amounts of the substance.
The amount (in moles) of a substance is the mass of that substance divided by the molar mass.
Hence, 1 g of C will contain 1/12 moles of the substance while 1 g of O2 will contain 1/32 moles of the substance.
mass number is the number of protons and neutrons in the nucleus of an isotope . how many protons in an oxygen-18 atom ?
Answer: Oxygen - 18 atom contains 8 protons.
Explanation:
The number of protons is the same as the atomic number. In isotopes, only the neutrons vary, but the protons always remain the same.
What best describes what models are used for?
A. Models are used as substitutes for compounds.
B. Models are used to explain how something works.
C. Models are used to perform experiments.
D. Models are used to develop new technologies.
Explanation:
is b or c but i think asnwer is b
The correct statement is " Models are used to explain how something works."
What is model?To introduce specific content, models might be employed. A model can help students learn crucial words and create a setting in which they can investigate pertinent processes.
Models can be used to improve explanations, promote discussion, make predictions, present graphical images of abstract concepts, and generate mental models in research.
Therefore, Models are used to explain how something works .
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if the protons are 6 the neutrons are 6 and the electrons are 6 what is the total charge
Answer:
0
General Formulas and Concepts:
Chemistry - Atomic Structure
Protons have a positive (+) charge.Neutrons have a neutral (0) charge.Electrons have a negative (-) charge.Explanation:
Step 1: Define
6 Protons
6 Neutrons
6 Electrons
Step 2: Determine charges
6 Protons = + 6 charge
6 Neutrons = 0 charge
6 Electrons = - 6 charge
Step 3: Determine overall charge
+6 + 0 + -6 = 0
lonic Bonding
Why did it require two sodium atoms to Complete
the Na 0 formula unit?
Na has +2 charge and O has -1 charge.
Na has +1 charge and O has -2 charge
Na has -2 charge and O has +1 charge.
How many atoms are in 10.4 mol of CI?
Answer:
there are two atoms
1. hydrogen
2.and water
Answer:
[tex]\boxed {\boxed {\sf 6.26 \times 10^{24} \ atoms }}[/tex]
Explanation:
To convert from moles to atoms, we must use a number called Avogadro's Number which is:
[tex]6.022\times10^{23}[/tex]
This number tells us the amount of atoms in a mole.
[tex]1 \ mole = 6.022\times10^{23} \ atoms[/tex]
To convert from moles to atoms, we must multiply Avogadro's number by the amount of moles.
We know there are 10.4 moles of Chlorine. Multiply 10.4 (molar amount) by 6.022 * 10²³ (Avogadro's Number)
[tex]10.4 \ mol *\frac{6.022\times10^{23} \ atoms }{ 1 \ mole}[/tex]
[tex]10.4 * 6.022\times10^{23} \ atoms[/tex]
[tex]1 \ mole = 6.022\times10^{23} \ atoms[/tex]
[tex]6.26288 \times 10^{24} \ atoms[/tex]
Let's round to 3 significant figures, because the original measurement 10.4, has 3 sig figs (1, 0, and 4)
For the number 6.26288, 3 significant figures is the hundredths place. The 2 in the thousandth place tells us to keep the 6 in the hundredths place.
[tex]6.26 \times 10^{24} \ atoms[/tex]
There are about 6.26 × 10²⁴ atoms in 10.4 moles of chlorine.
is graph paper a homogeneous or heterogeneous mixture
Answer:
There is no chemical symbol for paper since it is not an element but rather a mixture of several different compounds. Mixtures in two or more phases are heterogeneous mixtures.
Explanation:
Why Are Microorganism's Used to separate waste products from water?
Answer:
Untreated water from rivers, lakes, ponds, springs, or streams is likely to contain unsafe levels of infectious microorganisms, and drinking it may cause illness.
Explanation:
HELP PLEASE
What makes up most of an
atom's volume, and where is it located?
Answer:Accounting for the sizes of protons, neutrons, and electrons, most of the volume of an atom—greater than 99 percent—is, in fact, empty space. ... The electrons that surround all atoms are negatively charged and cause atoms to repel one another, preventing atoms from occupying the same space.
Explanation: hope this helped
I need to know what the matter is of a tree
Answer:
heterogenous mixture i believe.
Explanation:
Using the geologic concept of plate boundaries, compare and contrast the formation of the Andes Mountains,
Himalayan Mountains, the islands of Japan, Iceland, and the San Andreas area of California?
Plz I need help
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Which of the following explains the VSEPR geometry of a carbon tetrachloride molecule? (5 points)
:Č:
:Č-c- CI:
:CI:
OIt is bent because there are four bonded pairs around carbon.
OIts tetrahedral because there are four bonded pairs around carbon.
OIt is bent because there are two bonded pairs and two lone pairs around carbon.
OIts tetrahedral because there are two bonded pairs and two lone pairs around carbon.
Answer:
B) It is bent because there are four bonded pairs around carbon.
Explanation:
Since carbon forms a single bond with all four chlorides (four domains), the shape and geometry will both be tetrahedral. There are no lone pairs of electrons that cause the shape to appear bent.
Its tetrahedral because there are four bonded pairs around carbon. This explains the VSEPR geometry of a carbon tetrachloride molecule. Therefore, the correct option is option B.
What is VSEPR geometry?
The acronym VSEPR (pronounced "vesper") is frequently used to refer to the model known as Valence Shell Electron Pair Repulsion Model. The model essentially predicts the shape of molecules. In particular, organic compounds and polyatomic ions' bonding & molecular geometry are examined by VSEPR models. Almost all compounds with a central atom which is not a metal can benefit from it.
Due to their two-dimensionality, Lewis structures can only reveal the quantity and kind of atom-atom bonds. The 3-D shapes of ions and molecules are predicted by the VSEPR model, but it is unable to offer any exact details on the bond length and the bond itself. Its tetrahedral because there are four bonded pairs around carbon. This explains the VSEPR geometry of a carbon tetrachloride molecule.
Therefore, the correct option is option B.
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on this graph below, the independent variable is
which would indicate the water in a lake is not safe for drinkinh
Answer:
Explanation:
Alge. Waste and dead things
what is wrong with you how cant you do this I'm not being mean I'm just asking dont answer if you dont want to its ur life
A solution is made
by dissolving
29 g of sodium lithium chloride
in water to a final volume of
202 mL solution.
What is the weightweight % or percent by mass of the somute
percent by mass of the solute?
Answer:
99.3%
Explanation:
The percent by mass of the solute can be expressed as:
% mass = [tex]\frac{MassSolute}{MassSolute+MassSolvent}[/tex] * 100%And for this problem:
Mass of Solute = Mass of sodium lithium chloride = 29 gMass of Solvent = Mass of WaterSo to calculate the percent by mass first we need to calculate the mass of water, to do so we use its density (1 g/L):
202 mL is equal to (202/1000) 0.202 L.Density water = mass water / volume
1 g/L = mass water / 0.202 LMass water = 0.202 gNow we have all the data required to calculate the % mass:
% mass = [tex]\frac{29g}{29g+0.202g}[/tex] * 100 % = 99.3%Answer: 14.3
Explanation:
Prompt
The skeletal system, the muscular system, and the nervous system all work together. Explain one link between the skeletal system and the muscular system, between the skeletal system and the nervous system, and between the muscular system and the nervous system.
Answer:
They work in unision
Explanation:
The skeletal system is the framework our muscular system is attached to. The muscular system also allows the bones to move through contracting and extending. Although both would be useless without the nervous which sends impulses that tell the muscles to contract and extend.
Answer:
The person above is correct!
Explanation:
It graded it 100%.
what is the basis for the classification of organic compounds?
Answer:
organic compounds are classified based on functoin group
Explanation:
functional group is part of molecule or compound that determine the properties of that molecule or compound.
In chemistry, organic compounds are substances that have a covalently linked carbon atom. These compounds are classified based on the functional group and structures.
What are organic compounds?Organic compounds are said to be the compounds that have the presence of the carbon atom/s linked to the other atoms including nitrogen, oxygen, and hydrogen through a covalent bond.
The organic compounds are classified based on their structures and functional groups attached to their side chains. The functional groups include alkynes, alkenes, alcohols, carbonyl, nitriles, amines, etc.
The compounds can also be categorized based on the open or closed chain structures that can be homocyclic or heterocyclic. Further, the compounds can be aromatic or alicyclic.
Therefore, organic compounds are classified based on their functional groups and structures.
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What is the electron configuration for manganese
Electron configuration for manganese is [Ar]3d⁵4s² and electron configuration is the distribution of electrons of an atom or molecule
The electronic configuration of an element is a symbolic notation of the manner in which the electrons of its atoms are distributed over different atomic orbitals and atomic number of manganese is 25 then electronic configuration [Ar]3d⁵4s² manganese is a chemical element with the symbol Mn and it is a hard, brittle, silvery metal, often found in minerals in combination with iron and atomic mass is 55.93 and we write electronic configuration is 1s²2s²2p⁶3s²3p⁶4s²4d⁵ called as electronic configuration of manganese
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