8.5AB

Which 2 subatomic particles determine the mass of the atom?

• Neutrons and Electrons

• Electrons and Protons

• Protons and Neutrons

How many protons does this atom have? A=P=E

• 11

• 4

• 5

• 6

Tags

NGSS.MS-PS1-1

Which Bohr model has the greater mass? (protons + neutrons = mass)

• A

• B

Tags

NGSS.MS-PS1-1

What is the name of this atom? (Count the number of protons)

• Lithium (Li)

• Cesium (Cs)

• Potassium (K)

• Helium (He)

Tags

NGSS.MS-PS1-1

What is the mass of this atom?

(Add the protons and neutrons together)

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What is the name of atom A?

• Helium

• Francium

• Nihonium

• Carbon

Tags

NGSS.MS-PS1-1

How many protons are in this atom?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Which subatomic particle has the smallest mass?

• Protons

• Neutrons

• Electrons

How do you determine the number of neutrons in an atom?

• It's the same as Protons and Electrons!

• Round the mass and subtract the atomic #!

Tags

NGSS.MS-PS1-1

How many electrons can fit in the 3rd energy level?

• 2

• 8