States of Matter

Which of the following are the four distinct states of matter mentioned in the notes?

• Solid, Liquid, Gas, Plasma

• Water, Ice, Steam, Air

• Metal, Wood, Plastic, Glass

• Earth, Fire, Water, Air

According to the notes, matter in the solid state maintains a fixed volume and shape.

• True

• False

According to the notes, matter in the liquid state maintains a fixed volume but changes its shape to fit that of its container.

• True

• False

According to the notes, matter in the gaseous state fills the volume and takes the shape of its container.

• True

• False

What is the process called when a solid changes directly into a gas, as shown in the phase change diagram?

• Sublimation

• Condensation

• Melting

• Deposition

What is the process called when a gas changes directly into a solid, as shown in the phase change diagram?

• Deposition

• Sublimation

• Condensation

• Evaporation

According to the phase change diagram, what phase change occurs when a liquid turns into a gas?

• Vaporization

• Condensation

• Freezing

• Sublimation

Neon atoms are different from oxygen and water molecules because:

• Neon exists as single atoms, while oxygen and water exist as molecules.

• Neon forms molecules, while oxygen and water are single atoms.

• Oxygen and water are both elements, while neon is a compound.

• Neon and oxygen are both compounds, while water is an element.

The red and white circles of the water molecules represent:

• Oxygen and hydrogen atoms

• Protons and neutrons

• Electrons and protons

• Carbon and nitrogen atoms

What is the chemical formula for water? ________________

• H2O

• CO2

• O2

• H2SO4