Ions and Ionic Compounds

What is the formula for aluminum fluoride?

• AlF
• Al₂F₃
• AlF₃
• Al₃F₂

How many valence electrons does a bromine atom have?

• 1
• 2
• 6
• 7

Tags

NGSS.HS-PS1-1

When metals bond with non-metals they form what type of bonds

• covalent
• ionic
• cooperative
• lewis

If my charge becomes 2+ what does that say about me?

• I am stealing 2 electrons
• I am losing 2 electrons
• I am in period 2
• I have an atomic # of 2

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Metals tend to 

• gain electrons
• lose electrons

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the correct formula for the compound, lithium oxide?

• LiO
• Li₂O
• LiO₂
• Li₂O₂

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NGSS.HS-PS1-2

What do Roman Numerals represent in the name of a transition metal compound?

• how many atoms of the metal there are
• the oxidation number of the nonmetal
• the oxidation number of the metal
• the mass number

The name of Cu₃N₂ is

• copper (III) nitride
• copper (II) nitride
• copper nitride
• tricopper dinitride

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NGSS.HS-PS1-2

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

• CrO
• Cr₃O₂
• Cr₂O₃
• CrO₃

Tags

NGSS.MS-PS1-1

When a nonmetal gains electrons, it becomes this type of ion.

• Anion
• Cation

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2