Chemistry review

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

Tags

NGSS.HS-PS1-8

If an atom has 3 electrons, how many protons does it have?

• 1
• 2
• 4
• 3

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NGSS.MS-PS1-1

The subatomic particle with a negative charge is the

• electron
• proton
• neutron
• nucleus 

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

What is the mass number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Tags

NGSS.HS-PS1-8

Anything that has mass and takes up space is called

• matter

• element

• electron

• nucleus

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NGSS.MS-PS1-1

NGSS.MS-PS1-4

Select 2 physical properties.

• mass

• flammablity

• reactivity

• state of matter

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NGSS.MS-PS1-5

NGSS.MS-PS1-4

Select 2 chemical properties.

• flammabiltiy

• reactivity

• density

• conducting heat

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NGSS.MS-PS1-2

Select 2 physical changes.

• popsicle melting

• water boiling

• wood burning

• metal rusting

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Select 2 chemical changes.

• baking a cake

• copper turning green

• sugar dissolving in tea

• chocolate melting

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2