Chemistry STAAR Questions

Cations

• Gain electrons, has an overall positive charge

• Lose electrons, has an overall positive charge

• Lose electrons, has an overall negative charge

• Gain electrons, has an overall negative charge

How does calcium become an calcium ion?

• it loses 2 electrons

• it gains 2 electrons

True or False

Atoms can share electrons

• True

• False

Tags

NGSS.HS-PS1-4

A mixture in which different materials can be distinguished easily.

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

• Solution

Pure substance that consists entirely of one type of atom.

• Solution

• Mixture

• Compound

• Element

Elements have the most similar properties if they are in the same _______?

• Periods

• Groups

• Rows

• Blocks

What type of elements does the image show?

• Metals

• Nonmetals

• Gases

• Metalloids

Tags

NGSS.MS-PS1-1

Which physical property would most likely be a nonmetal

• Good conductor

• Ductile

• Brittle

• Shiny

A single particle of a pure substance.

Tags

NGSS.MS-PS1-1

A unique particle of matter that is a fundamental building block of matter.