Unit 3 Review

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

Tags

NGSS.HS-PS1-8

Nickel-59 has how many neutrons?

• 30

• 31

• 32

• 33

Tags

NGSS.HS-PS1-8

Bromine-80 has how many neutrons?

• 41

• 42

• 44

• 45

Tags

NGSS.HS-PS1-8

76 protons and 114 neutrons

• Osmium-114

• Osmium-76

• Osmium-190

• Osmium-190.23

Tags

NGSS.MS-PS1-1

12 protons and 13 neutrons

• Mg-12

• Mg-13

• Mg-25

• Mg-24.305

Tags

NGSS.HS-PS1-8

How do you calculate mass number?

• Mass x percent

• Protons + Electrons

• Protons + Neutrons

• Neutrons + Protons + Electrons

What do these isotopes of carbon all have in common?

• neutrons & mass number
• atomic number and neutrons
• atomic number and electrons
• protons, atomic number, and mass number

Tags

NGSS.MS-PS1-1

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.HS-PS1-8

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

Tags

NGSS.HS-PS1-8