Bohr Models and Lewis Structures

Which element is this?

• Calcium

• Chlorine

• Silicon

• Potassium

Tags

NGSS.MS-PS1-1

How are electrons arranged in an atom?

• In groups of five

• In energy levels

• By color

• By shape

What's a valence electron?

• electrons in the second energy level

• electrons in the outermost energy level

• the atomic number

• electrons in the first level

Tags

NGSS.MS-PS1-1

What element is represented in this Bohr Model?

• Carbon

• Hydrogen

• Aluminum

• Lithium

Tags

NGSS.MS-PS1-1

What's a valence electron?

• electrons in the second energy level

• electrons in the outermost energy level

• the atomic number

• electrons in the first level

Tags

NGSS.MS-PS1-1

How many dots would a Lewis Dot structure of Helium have?

• 1

• 2

• 8

• 0

According to the octet rule most elements need _______ valence electrons.

• 2

• 8

• 6

• 18

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons does Si contain? (click to see image)

• 14

• 28

• 2

• None of these

Tags

NGSS.MS-PS1-1

What is the maximum number of electrons that can occupy the second energy level in a Bohr model?

• 2

• 8

• 18

• 32

In a Lewis structure, which element typically has no dots around it?

• Helium

• Oxygen

• Carbon

• Nitrogen