Chem Unit 6 Review

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the correct Lewis structure for NH₃?

• 
• 
• 
• 

Which is the correct Lewis structure for carbon dioxide?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Metals make _____ ions.

• positive

• negative

• neutral

Nonmetals will make _____ions.

• positive

• negative

• neutral

Why is this Lewis Structure incorrect? Select all that appy.

• There should be a single bond between H and C.

• There should be a triple bond between C and N.

• Carbon has too many bonds around it.

• Hydrogen needs more electrons.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

NGSS.HS-PS1-3

Covalent bonding is between a

• nonmetal and nonmetal

• metal and nonmetal

• metal and metal

• It depends on the situation

Predict the bond between Mg and Cl

• covalent

• ionic

• metallic

• none of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is a valence electron?

• electron found in a middle shell

• electron found in outermost shell

• electron found in innermost shell

• electron not found in a shell

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

• ionic

• covalent

• metallic

• acid

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2