Chapter 7 - Foundations of Chemistry

A small particle that is a building block of matter.

• atom

• element

• electron

Tags

NGSS.MS-PS1-1

A substance that consists of just one type of atom.

• element

• matter

• compound

The number of protons in an atom of an element is the element's

• atomic mass

• atomic number

• element symbol

• chemical formula

__________ occurs when a gas changes directly to a solid.

• Condensation

• Conservation

• Deposition

• Sublimation

The change in state from a solid to a liquid is called __________.

• condensation

• dissolving

• melting

• sublimation

Tags

NGSS.MS-PS1-4

_________ occurs when a solid changes directly to a gas.

• Sublimation

• Conservation

• Deposition

• Melting

If 4 g of salt dissolved in 200 g of water, what would be the final mass of this mixture?

• 50 g

• 196 g

• 204 g

• 800 g

The parts of a ________ can often be separated by physical means.

• mixture

• mass

• solubility

• liquid

A _______ property of matter can be observed without changing the identity of the matter.

• gas

• physical

• solid

• weight

________ is the amount of matter in an object.

• Mixture

• Compound

• Mass

• Chemical