Atoms

What charge do protons have?

• positive

• negative

• neutral

Tags

NGSS.MS-PS1-1

What charge do electrons have?

• positive

• negative

• neutral

Tags

NGSS.MS-PS1-1

What charge do neutrons have?

• positive

• negative

• neutral

Tags

NGSS.MS-PS1-1

Which subatomic particles are found in the nucleus?

• protons

• neutrons

• electrons

• protons and electrons

• protons and neutrons

Tags

NGSS.MS-PS1-1

How many protons does an atom of Nitrogen have?

• 7

• 14

• 21

Tags

NGSS.MS-PS1-1

How many electrons does a neutral atom of Nitrogen have?

• 7

• 14

• 21

Tags

NGSS.MS-PS1-1

How many neutrons does an atom of Nitrogen have?

• 7

• 14

• 21

Tags

NGSS.MS-PS1-1

The atomic number is always the number of

• protons

• neutrons

• electrons

Tags

NGSS.MS-PS1-1

To find the number of neutrons....

• add the number of electrons and number of protons

• subtract the atomic number from the atomic mass

• subtract the number of protons from the number of electrons

Tags

NGSS.MS-PS1-1

Which image correctly shows the relative sizes of the subatomic particles?

• 
• 
• 

Tags

NGSS.MS-PS1-1