7th Grade - MT Unit 1 Final (part #1)

the number of protons in the nucleus of an atom; _______________ determines the chemical properties of the atom

• Atomic Number
• Atomic Mass
• Chemical Symbol

The combined mass of all of the protons and neutrons of an atom.

• Atomic Number
• Atomic Mass
• Chemical Symbol

the one- or two-letter representation of an element

• Atomic Number
• Atomic Mass
• Chemical Symbol

a gas changes directly to a solid without going through the liquid state by adding cold

• Deposition
• Sublimation
• Freezing

The process of changing from a solid to a gas without passing through an intermediate liquid phase

• Deposition
• Sublimation
• Freezing

to convert from a liquid to a solid by cold

• Deposition
• Sublimation
• Freezing

change of a solid into a liquid when heat is applied

• Melting
• evaporation
• condensation

the process by which a gas changes into a liquid

• Melting
• evaporation
• condensation

the process in which matter changes from a liquid to a gas

• Melting
• evaporation
• condensation

the temperature at which a liquid changes into a gas

• freezing point
• melting point
• boiling point