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The basic unit of a chemical element is referred to as the

• proton

• electron

• neutron

• atom

Tags

NGSS.MS-PS1-1

The positively charged center of an atom containing protons and neutrons is the

• proton

• electron

• nucleus

• atom

Tags

NGSS.HS-PS1-8

A _______________ is a subatomic particle found in the nucleus and has no net charge

• proton

• neutron

• electron

• atom

A ________________ is a positively charged subatomic particle found in the nucleus.

• proton

• electron

• neutron

• atom

The _______________________ is the number of protons in the nucleus and determines the identity of the substance.

• atom

• cell

• atomic number

• atomic weight

An _______________ is a substance whose atoms all have the same number of protons.

• proton

• electron

• nucleus

• element

The splitting (dividing) of a "heavy" nucleus into lighter nuclei is referred to as

• chemical reaction

• fission

• fusion

• radiation

Tags

NGSS.HS-PS1-8

The joining of nuclei to form a "heavier" nucleus is referred to as ______________

• chemical reaction

• fission

• fusion

• radiation

Tags

NGSS.HS-PS1-8

This is a picture of

• a chemical reaction

• the electromagnetic spectrum

• chemical energy

• wind energy

Tags

NGSS.HS-PS4-4

NGSS.HS-PS4-3

NGSS.HS-PS4-1

NGSS.HS-PS4-5

Which one below is NOT an example of electromagnetic radiation

• radio wave

• conduction

• microwave

• visible light

Tags

NGSS.HS-PS4-4

NGSS.HS-PS4-3