Unit Test Answers

6 verified answers

What is the formula for ammonium sulfate?

NH4SO4

Na2SO3

(NH4)2SO4

Na2SO4

What is the formula for potassium hydroxide?

KOH

K2O

PtOH

(Pt)2O

Consider the compound Al(OH)3. What type of solid does it form?

crystal lattice

glass

metal

molecule

How many hydroxide ions are bonded to each aluminum ion?

Lattice energy is an estimate of the bond .

conductivity

group

length

strength

Which of the following are characteristics of ionic compounds? Check all that apply.

have high melting and boiling points

are hard

can exist as solids, liquids, or gases at room temperature (25ºC)

are good conductors of electricity when dissolved in water

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