CP Ionic Compounds - writing formulas and polyatomic ions

Ionic Compounds

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Multiple Choice

How many valence electrons are in an atom of potassium (K)?

• 4
• 3
• 2
• 1

Multiple Choice

Nonmetals tend to 

• gain electrons
• lose electrons

Multiple Choice

Metals tend to 

• gain electrons
• lose electrons

Multiple Choice

If I gain electrons I become

• Positive because I've added to my atom
• negative because I've added electrons
• same because i'm balanced
• equal because now I have electrons

Multiple Choice

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

• Anion
• Cation

Multiple Choice

When a metal loses electrons, it becomes this type of ion.

• anion
• cation

Multiple Choice

I ionizes to a charge of _______.

• -1

• -2

• +1

• +2

Multiple Choice

P ionizes to a charge of _______.

• +3

• -3

• +2

• -2

Multiple Choice

Be ionizes to a charge of ________.

• +1

• +2

• -1

• -2

Multiple Choice

Li ionizes to a charge of _________

• +2

• +1

• -1

• -2

Multiple Choice

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

• covalent
• ionic
• cooperative
• lewis

Multiple Choice

How do the following two elements bond together?
Al³⁺  O^2-         

• AlO
• Al₂O₃
• Al₃O₆
• Al₃O₂

Multiple Choice

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

• CrO
• Cr₃O₂
• Cr₂O₃
• CrO₃

Multiple Choice

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

• KS
• K₈S
• K₆S₃
• K₂S

​Copy this chart onto the back of your periodic table

Multiple Choice

What is the correct name for this polyatomic ion: NO₃^–

• carbonate

• hydroxide

• nitrite

• nitrate

Multiple Choice

What is the correct name for this polyatomic ion: OH^–

• hydrogen carbonate

• oxonium

• hydroxide

• acetate

Multiple Choice

Be careful with this question.....
SO₄ ^-2  and  Al ⁺³

• (SO₄)₃Al₂
• (SO₄)₂Al₃
• Al₃SO₄
• Al₂(SO₄)₃

Multiple Choice

Ca ⁺²  and  OH ^-

• Ca₂OH
• CaOH₂
• Ca(OH)₂
• correct answer is not given

Open Ended

What is an electrolyte?

Multiple Choice

What is Lattice Energy?

• one mole of an ionic compound is formed from its gaseous ions under standard conditions

• one mole of electrons is added to one mole of gaseous atoms to form one mole of gaseous 1- ions under standard conditions

• one mole of an ionic compound is formed from its atoms under standard conditions

• one mole of gaseous atoms is formed from its element under standard conditions

Multiple Choice

Factors affecting the value of lattice energy

• the size of the ion

• the charge of the ion

• the size of the ion and the charge of the ion