Bohr Model CFA

What is a valence electron?

• Electrons in the first energy shell

• Electrons in the second energy shell

• Electrons in the outer shell

• Total number of electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The innermost energy level has a maximum of how many electrons?

• 1

• 2

• 6

• 8

Which element is this?

• Nickel

• Neon

• Sodium

• Nitrogen

Tags

NGSS.MS-PS1-1

How many valence electrons?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

How many protons are in an atom of Carbon?

• 5

• 6

• 7

• 8

Which part of the atom has a positive charge?

• Proton

• neutron

• electron

How many protons are in an atom of Phosphorus, P?

• 30

• 15

• 16

• 31

This is a correct dot diagram for fluorine (F)

• true
• false

Tags

NGSS.MS-PS1-1

When drawing a Bohr model, how do you determine the number of electrons?

• Valence Electrons

• Mass Number

• Atomic Number

• Atomic Mass Unit

How many electrons can go in the Second energy level?

• 2

• 8

• 18

• 32