Unit 1, Practice 1 - Counting Protons, Neutrons, and Electrons

How many protons are in Sodium?

• 11

• 22

• 12

• 33

Tags

NGSS.MS-PS1-1

How many electrons are in Aluminium?

• 40

• 27

• 13

• 14

Tags

NGSS.HS-PS1-1

How many neutrons are in Magnesium?

• 36

• 12

• 24

• 6

Tags

NGSS.HS-PS1-8

How many neutrons are in Phosphorus?

• 16

• 15

• 31

• 46

Tags

NGSS.HS-PS1-8

How many electrons are in Sulfur?

• 32

• 16

• 48

• 8

Tags

NGSS.HS-PS1-1

How many protons are in Chlorine?

• 35

• 18

• 17

• 52

Tags

NGSS.HS-PS1-1

How many neutrons are in Argon?

• 18

• 40

• 58

• 22

Tags

NGSS.MS-PS1-1

How many electrons are in Potassium?

• 19

• 20

• 58

• 39

Tags

NGSS.HS-PS1-1

How many protons, neutrons, and electrons are in Oxygen?

• Protons = 8; Neutrons = 16; Electrons = 8

• Protons = 8; Neutrons = 8; Electrons = 8

• Protons = 16; Neutrons = 8; Electrons = 16

• Protons = 16; Neutrons = 24; Electrons = 16

Tags

NGSS.MS-PS1-1

Arsenic has a mass of _______

• 33

• 79

• 75

• 47

Tags

NGSS.HS-PS1-1