Lewis Structure Assignment

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

• 2
• 8
• 6
• 18

Tags

NGSS.HS-PS1-1

A covalent bond is

• a bond that shares electrons metallicaly

• A bond that shares electrons between non metals

• Metalloids bonding

• metals and nonmetals bonding

Tags

NGSS.HS-PS1-2

How many valence electrons does phosphorus have?

• 15

• 4

• 5

• 31

Tags

NGSS.HS-PS1-1

This is a correct dot diagram for oxygen (O)

• true
• false

Tags

NGSS.HS-PS1-1

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

• Li

• Al

• C

• Be

This could be the Lewis Structure of which element?

• Sr

• Sb

• Si

• Se

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Hydrogen needs _____ electrons in its valence shell to be stable.

• 4
• 6
• 8
• 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• 1
• 3
• 4
• 5

Which of the following is an ionic bond?

• H₃N
• CaCl₂
• NO₂
• SCl

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-3

How many valence electrons are shown in the diagram?

• 16

• 7

• 6

• 2