Matter - Quiz Quiz

Question 1

Sodium chloride and fluorite both have cubic atomic arrangements. Which statement best explains why they have different relative hardness values?

Revolt · Accepted Answer

A: Sodium chloride is softer because its ionic bonds are weaker than those in fluorite.

Question 2

Which element is least likely to form crystalline structures on its own, and why?

Revolt · Accepted Answer

B: Hydrogen, because it has only one outer electron and cannot form extended lattices.

Question 3

Which atom shown is most likely to form a single covalent bond by sharing one outer electron?

Revolt · Accepted Answer

C: hydrogen

Question 4

Determine whether each atom is likely or unlikely to form extended crystalline structures on its own.

Revolt · Accepted Answer

Carbon: likely | Hydrogen, Oxygen, Nitrogen: unlikely

Question 5

Choose the correct answer from each drop-down menu to complete the statement.

Revolt · Accepted Answer

likely|reactive|full

Question 6

Choose the correct answer from each drop-down menu to complete the statements.

Revolt · Accepted Answer

remain constant|lose

Question 7

During which phase of the experiment does water release energy without a change in temperature?

Revolt · Accepted Answer

D: between 0 and 2 minutes

Question 8

Classify the processes based on whether they release or absorb energy.

Revolt · Accepted Answer

freezing,condensation|melting,evaporation

Question 9

Why does the temperature remain constant at 0°C when water is freezing?

Revolt · Accepted Answer

A: Energy is being removed, but it is used to rearrange molecules into a solid structure rather than lowering temperature.

Matter - Quiz Quiz Answers