Calculating Subatomic Particles

Match the vocabulary word to its definition

• proton

• neutral charge, adding or subtracting these changes the mass number for an element

• neutral charge, # makes isotopes

• average mass of all of an element's isotopes

• atomic mass

• this determines the element identity

• isotope

• an atom of the same element but different amounts of neutrons

• mass number

• sum of protons and neutrons

Tags

NGSS.MS-PS1-1

An atom contains 14 protons and 15 neutrons. What is its mass number?

• 14

• 15

• 1

• 29

• O

• S

• In

• As

Tags

IL.NGSSDCI.SCI.MS-PS1-1

How many protons are in the element Germanium-73?

• 32

• 31

• 33

• 30

Tags

NGSS.MS-PS1-1

How many neutrons are in the element Germanium-73?

• 32

• 41

• 40

• 73

Tags

NGSS.MS-PS1-1

What is the hyphen notation for an element with 12 protons and 11 neutrons?

• Magnesium-23

• Sodium-23

• Magnesium-24

• Magnesium-22

Which Lithium isotope has 4 neutrons?

Tags

NGSS.MS-PS1-1

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

Tags

NGSS.MS-PS1-1