APE MAN practice

Which subatomic particle tells the IDENTITY of an element? If you change this number, then you have a different element!

• Electron

• Proton

• Neutron

• Nucleus

What is the ATOMIC NUMBER for oxygen?

• 15

• 15.999

• 7

• 8

Tags

NGSS.MS-PS1-1

How many PROTONS does an atom of oxygen have?

• 8

• 7

• 15

• 23

Tags

NGSS.MS-PS1-1

How many PROTONS are in this element?

• 12

• 12.011

• 7

• 6

Tags

NGSS.MS-PS1-1

What is the rounded average ATOMIC MASS for this element?

• 12

• 11

• 13

• 6

How many neutrons are in an atom of this element?

• 12

• 8

• 7

• 6

Tags

NGSS.MS-PS1-1

How many electrons are in an atom of this element?

• 39

• 19

• 20

• 21

How many protons are in an atom of this element?

• 39

• 19

• 20

• 40

Tags

NGSS.MS-PS1-1

What is the rounded average ATOMIC MASS for this element?

• 8

• 15

• 16

• 17

How many electrons does an atom of Barium (Ba) have?

• 56

• 81

• 137

• 218

Tags

NGSS.MS-PS1-1