Unit 2 Quiz 1 Review

What is the name of the compound P₂O₅?

• Pentaphosphorus dioxide

• Diphosphorus pentoxide

• Phosphide dioxide

• Phosphorus pentoxide

This is a correct dot diagram for neon (Ne)

• true

• false

Tags

NGSS.HS-PS1-1

This could be the dot diagram of 

• Ne
• Si
• Al
• Be

Tags

NGSS.HS-PS1-1

What is the correct Lewis Dot Structure for ammonia NH3

• 
• 
• 
• 

Tags

NGSS.HS-PS1-2

Which is the correct molecular structure for carbon dioxide?

• 
• 
• 
• 

Tags

NGSS.HS-LS1-6

How many total valence electrons are participating in bonding in the molecule above?

• 8

• 4

• 2

• 3

A covalent bond is a chemical bond where two atoms share__________.

• protons

• neutrons

• valence electrons

• the same group on the periodic table

Tags

NGSS.HS-PS1-1

Covalent bonds form between 2 or more atoms of ______________.

• metals

• metaloids

• nonmetals

• I don't know

The following set of properties describes which bond type?

Does not dissolve in water

Does not conduct electricity

Extremely hard solids

Made entirely of nonmetal and metalloid atoms

• Ionic

• Network Covalent

• metallic

• Molecular Covalent

Tags

NGSS.HS-PS1-1

The following set of properties describes which bond type?

Some dissolve in water, some do not

Do not conduct electricity

Some are liquids or gases

Made entirely of nonmetal atoms

• Ionic

• Network Covalent

• Metallic

• Molecular Covalent