Ionic and Covalent Bonding

Which of the following is NOT a property of ionic compounds?

• They conduct electricity when molten

• They conduct electricity when in solution

• They have high boiling points

• They are insoluble in water

What is the charge on a Hydrogen ion?

• +1
• 1
• 2

Tags

NGSS.HS-PS1-2

A(n) _________ is an ion with a positive (+) charge.

• anion
• cation
• ion
• solute

Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?

• There are 2 bromide ions for every magnesium ion
• Bromide has a 2- charge
• Bromide has a 2+ charge
• There are 2 magnesium ions to every bromide ion

Tags

NGSS.MS-PS1-1

Nonmetals tend to 

• gain electrons
• lose electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Metals tend to 

• gain electrons
• lose electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How do the following two elements bond together?
Cr³⁺  O^2-         

• CrO
• Cr₃O₂
• Cr₂O₃
• CrO₃

Tags

NGSS.MS-PS1-1

How do the following two elements bond together?
K¹⁺  S^2- 

• KS
• K₈S
• K₆S₃
• K₂S

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

LiBr is called

• lithium bromine
• lithium (I) bromine
• lithium bromide
• lithium (I) bromide

Tags

NGSS.MS-PS1-1

Which of the following is an ionic compound:

• NH₄
• I₂
• RbBr
• CO

Tags

NGSS.HS-PS1-3