Bohr Models

On the periodic table, Periods are

• Horizontal rows

• Vertical columns

On the periodic table, Groups (also known as Families) are

• Horizontal rows

• Vertical columns

What is a valence electron?

• Electrons in the first energy level

• Electrons in the second energy level

• Electrons in the outer level

• 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

Name this element.

• Argon

• Chlorine

• Aluminum

• Boron

Tags

NGSS.MS-PS1-1

Name this element.

• Neon

• Magnesium

• Sodium

• Manganese

Tags

NGSS.MS-PS1-1

How many valence electrons?

• 2

• 3

• 4

• 6

Tags

NGSS.MS-PS1-1

How many valence electrons?

• 2

• 3

• 4

• 5

How many valence electrons?

• 2

• 4

• 6

• 8

Tags

NGSS.MS-PS1-1