Quiz -- isotopes and atomic mass

Different isotopes of an element contain different numbers of ___.

• protons

• neutrons

• electrons

• elements

If a proton is added or removed from an atom, what happens?

• It becomes a different element.

• It becomes a different isotope.

• Nothing happens.

How many neutrons are in 1 atom of Carbon-13?

• 6

• 13

• 7

• 20

Tags

NGSS.HS-PS1-8

How many neutrons are in an atom of Nitrogen-16?

• 9

• 7

• 16

• 20

How many protons are in an atom of Nitrogen-16?

• 7

• 9

• 16

Tags

NGSS.HS-PS1-1

How many protons are in an atom of Nitrogen-16?

• 7

• 9

• 16

Tags

NGSS.HS-PS1-1

What is the difference between Neon-20 and Neon-22?

• They have different numbers of electrons.

• They have different numbers of neutrons.

• Only 1 is radioactive.

• No difference.

Tags

NGSS.HS-PS1-8

Which atom of these isotopes has 3 protons? The symbol for lithium is Li.

• Lithium-6

• Lithium-7

• All of them.

• Lithium-9

Tags

NGSS.MS-PS1-1

How many neutrons are in this isotope?

• 20

• 41

• 61

• 21

Tags

NGSS.HS-PS1-8

Which is the correct symbol for Fluorine-18?

• 
• 
• 
•