Calculating Neutrons

How many neutrons does the an element with an atomic number of 3 and a mass of 6.9 contain?

• 6.9

• 4

• 3

• 7

Tags

NGSS.MS-PS1-1

An atom with 19 protons, and 19 electrons and a mass of 39 has how many neutrons?

• 19

• 39

• 20

• 58

Tags

NGSS.MS-PS1-1

How many neutrons does Helium have?

• 2

• 4

• 6

Tags

NGSS.MS-PS1-1

How many neutrons does platinum have?

• 78

• 117

• 195

• 196

Tags

NGSS.MS-PS1-1

How many neutrons does Zinc have?

• 95.39

• 65.39

• 35

• 30

Tags

NGSS.MS-PS1-1

Krypton has 48 neutrons. The atomic number is missing. What is it?

• 132

• 84

• 48

• 36

Tags

NGSS.MS-PS1-1

Oxygen has 8 neutrons. What is the approximate atomic mass?

• 8

• 16

• 24

• 32

Tags

NGSS.MS-PS1-1

How many neutron are in the atom "K"?

• 29

• 19

• 58

• 20

Tags

NGSS.MS-PS1-1

How many neutrons does Argon have in it's nucleus?

• 39.948

• 58

• 22

• 18

Tags

NGSS.MS-PS1-1

An atom with 15 protons, 15 electrons, and a mass number of 31 has how many neutrons?

• 15

• 16

• 31

• 46

Tags

NGSS.MS-PS1-1