ISOTOPE

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.MS-PS1-1

What happens by changing the number of neutrons?

• The atomic mass changes

• The number of electrons changes

• The atomic number changes

• The number of protons changes

which atom has  4 neutrons?

• Li-6
• Li-7
• Li-8
• they have the same # of neutrons

Tags

NGSS.MS-PS1-1

What is an isotope? 

• A charged atom
• An atom with different amounts of neutrons
• An atom with different amounts of protons
• A neutral atom

Tags

NGSS.MS-PS1-1

How many neutrons does a Sodium 24 isotope have?

• 12
• 13
• 14
• 15

Tags

NGSS.MS-PS1-1

What is the name of the pictured isotope?

• Carbon-12
• Carbon-13
• Carbon-14
• Carbon-15

Tags

NGSS.MS-PS1-1

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

• It becomes a different element.

• It becomes a different isotope.

• Nothing happens.

Tags

NGSS.HS-PS1-8

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.MS-PS1-1

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

What is the atomic number of this atom?

• 4
• 5
• 9
• none of the above

Tags

NGSS.MS-PS1-1