Isotopes Practice

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.MS-PS1-1

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

Tags

NGSS.MS-PS1-1

How many neutrons in C-14?

• 6
• 7
• 14
• 8

How many neutrons does the isotope below have?     ⁸⁹ ₃₆Kr

• 53
• 36
• 89
• 125

How many neutrons does an atom of the isotope Neon-22 have?

• 12
• 10
• 22
• 20

Isotopes of an element have a different number of...

• Protons

• Neutrons

• Electrons

• Mass

Tags

NGSS.HS-PS1-8

Potassium-39 has how many neutrons?

• 19

• 18

• 20

• 21

Nickel-59 has how many neutrons?

• 30

• 31

• 32

• 33

Bromine-80 has how many neutrons?

• 41

• 42

• 44

• 45

Tags

NGSS.MS-PS1-1

12 protons and 13 neutrons

• Mg-12

• Mg-13

• Mg-25

• Mg-24.305

Tags

NGSS.MS-PS1-1