CHEMISTRY MIDDLE SCHOOL

Which of the following best describes how attractive forces of the molecules in a solid compared to a liquid?A)The attractive forces are the same in a solid and liquid
B) The attractive forces are stronger in a liquid
C) The attractive forces are stronger in a solid
D)The attractive forces of a solid allow the particle to move freely while the liquid molecules vibrate around a fixed point

Answers

Answer 1

Answer:

Answer:

Option-C (The attractive forces are stronger in a solid)

Explanation:

The substance either exist as a Solid or Liquid depends upon on the following two factors;

ii) Kinetic Energy:

Greater the K.E of particles, greater will be the distance between the particles of a substance. In Liquids the K.E of particles is greater than the K.E of particles in Solid. Hence, the Liquid Particles separated by greater distance as compared to particles of Solids.

ii) Attractive Intermolecular Forces:

Greater the Attractive Intermolecular Forces between the particles of a substance, smaller will be the distance between the particles. As the distance between the particles in Solid state of substance are very small as compared to that of Liquids hence, it can be concluded that the Attractive Intermolecular Forces in Solids are stronger than Liquids.

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What stores groundwater and let's ground water flow through it??!

Answers

A aquifer Stores Groundwater

the answer is aquaduct

Democritus said that ____ were indivisible, fundamental units of matter

Answers

Answer:Atoms

Explanation: Democritus defined ATOMS as the indivisible, indescructible fundamental units of matter.

Answer:

atoms, the smallest pieces of elements that still retain their properties.

Explanation:

Is a Daisy a prokaryote or a eukaryote

Answers

A daisy is a eukaryote. Because since the plant is a kingdom under the domain "Eukarya".
~Hope this helped! :)

A eukaryote. Eukaryote comes from Greek and means "real kernel"— eukaryotes have nuclei in their cells. Most complex organisms and basically all living things that you'll see with the naked eye are eukaryotes.

What are the possible orbitals for n = 3?

Answers

For n = 3, the possible orbitals are:

3s orbital

3p orbitals

3d orbitals

What are the possible orbitals

3s orbital: The 3s orbital is spherical in shape and can hold up to 2 electrons.

3p orbitals: The 3p orbitals have a dum/bb/ell shape and consist of three individual orbitals: 3px, 3p/y, and 3pz. Each of these orbitals can hold up to 2 electrons, so the total capacity of the 3p sublevel is 6 electrons.

3d orbitals: The 3d orbitals have complex shapes and consist of five individual orbitals: 3dxy, 3dxz, 3dyz, 3dx2-y2, and 3dz2. Each of these orbitals can also hold up to 2 electrons, resulting in a total capacity of 10 electrons for the 3d sublevel.

In summary, for n = 3, the possible orbitals are 3s, 3p (3px, 3py, 3pz), and 3d (3dxy, 3dxz, 3dyz, 3dx2-y2, 3dz2).

Learn more about orbitals at

brainly.com/question/20319149

#SPJ6

Answer:The n = 3 shell, for example, contains three subshells: the 3s, 3p, and 3d orbitals. There is only one orbital in the n = 1 shell because there is only one way in which a sphere can be oriented in space.

Explanation:hope this helps:D

A substance X contains 10 gram of calcium carbonate calculate the number of mole of calcium carbonate present in X

Answers

$\LARGE{ \boxed{ \rm{ \red{Required \: answer}}}}$

☃️ Chemical formulae ➝ $\sf{CaCO_3}$

How to find?

For solving this question, We need to know how to find moles of solution or any substance if a certain weight is given.

$\boxed{ \sf{No. \: of \: moles = (given \: weight)/(molecular \: weight) }}$

Solution:

Atomic weight of elements:

Ca = 40

C = 12

O = 16

❍ Molecular weight of $\sf{CaCO_3}$

= 40 + 12 + 3 × 16

= 52 + 48

= 100 g/mol

❍ Given weight: 10 g

Then, no. of moles,

⇛ No. of moles = 10 g / 100 g mol‐¹

⇛ No. of moles = 0.1 moles

☄ No. of moles of Calcium carbonate in that substance = 0.1 moles

━━━━━━━━━━━━━━━━━━━━

no of the moles calcium carbonate is 0.01

Why is an oxygen molecule more stable than and oxygen atom ?

Answers

The diatomic oxygen has been more stable than the atom of oxygen due to the presence of a covalent bond.

The oxygen has been the nonmetal with 6 valence electrons. In order to attain a stable configuration, oxygen has to gain 2 electrons.

The elemental oxygen present in nature has been diatomic oxygen. The diatomic oxygen has been formed by the sharing of the 2 electrons of each atom resulting in the formation of the covalent bond.

The covalent bond formation helps the oxygen atom to attain the noble gas configuration. Thus, diatomic oxygen has been more stable than atomic oxygen.

For more information about the stability of the oxygen, refer to the link:

brainly.com/question/13031115

Answer:

Both atoms in an O2 molecule have achieved a noble gas electron configuration. – An oxygen atom does not have a stable octet of valence electrons.

Explanation:

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