Ionic Formula Quiz Review

Which of these is incorrect?

• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This is a correct dot diagram for carbon (C)

• true

• false

Tags

NGSS.HS-PS1-1

This could be the dot diagram of

• Mg

• Cl

• C

• O

Tags

NGSS.HS-PS1-1

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

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

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

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

Which of the following BEST describes a crystal lattice?

• Lowest ratio of atoms in a compound

• Highest ratio of atoms in a compound

• 3D structure formed by ionic compounds

• Force that holds ionic compounds together

Tags

NGSS.HS-PS1-3

Which of the following is NOT true about ionic compounds?

• They are electrolytes
• They poorly conduct electricity when solid
• They are brittle
• They have a low melting point

Metals and Nonmetals form what type of bond?

• Ionic
• Covalent
• Metallic
• Acid

Which of the following BEST describes a polyatomic ion?

• Two or more elements that share a sea of electrons
• Group of elements with an overall charge that functions as a unit
• Ionic compound with no net charge
• Covalent compound with no net charge

The chemical formula for an ionic compound of potassium and oxygen is

• KO

• K₂O

• K₂O₂

• KO₂

Tags

NGSS.MS-PS1-1