Lewis Dot & Bohr Models

What are valence electrons?

• The innermost electrons

• The outermost electrons

• All the electrons

• The first two electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons can go in the first energy level?

• 2

• 8

• 18

• 32

How many electrons can go in the Second energy level?

• 2

• 8

• 18

• 32

How many electrons should Helium have around its Lewis dot model?

• 1

• 2

• 7

• 8

Which of the diagrams of Boron has correct electron dot notation? (Boron atomic number = 5)

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

How many valence electrons does Carbon have?

• 1

• 4

• 6

• 12

Tags

NGSS.MS-PS1-1

This is a correct dot diagram for fluorine. (Flourine atomic number = 9)

• true

• false

Tags

NGSS.MS-PS1-1

This is a correct dot diagram for oxygen (Oxygen atomic number = 8)

• true

• false

Tags

NGSS.MS-PS1-1

This is the correct dot diagram for sodium (Sodium atomic number = 11)

• true

• false

Tags

NGSS.MS-PS1-1

How many electrons should Lithium have around its Lewis dot model?

• 1

• 2

• 3

• 4