Periodic table review

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

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

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

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

By replacing the element symbol, this could be a diagram of which element?

• Li

• Al

• C

• Be

Tags

NGSS.HS-PS1-1

Match the following elements with their correspomding number of valence electrons

• Aluminum

• 6

• Magnesium

• 3

• Oxygen

• 1

• Bromine

• 7

• Hydrogen

• 2

Draw the lewis structure of Carbon

Answer explanation

Tags

NGSS.MS-PS1-1

Choose the correct Lewis dot structure for Neon.

• E

• F

• G

• H

Tags

NGSS.MS-PS1-1

This is the correct dot diagram for sodium (Na)

• true
• false

Tags

NGSS.MS-PS1-1

This is a correct dot diagram for oxygen (O)

• true
• false

Tags

NGSS.MS-PS1-1

This is a correct dot diagram for fluorine (F)

• true
• false

Tags

NGSS.MS-PS1-1

What are valence electrons?

• The innermost electrons

• The outermost electrons