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Elements and Compounds

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Keely Wyman

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Cards in this guide (15)
The formula for the compound formed between potassium and the chlorate ion is

kclo3

The formula for ammonium sulfate is

Ammonium sulfate is (NH4)2SO4

The formula for lithium bromide is

The formula for lithium bromide is LiBr.

The charges in a compound should always add to

The charges in a compound should always add to zero.

Aluminum will combine with the sulfite ion to form

Al2(SO3)3

The subscript of ammonium in a compound formed between ammonium and phosphate ion is

3

Correct formula for a compound formed between calcium and phosphate

CaF2 is calcium fluoride...

ANS2:Ca3(PO4)2
Choose the correct formula for aluminum chloride

The chemical formula for aluminum chloride is ALCL3. The number 3 is written below the line as a subscript.

The subscript of potassium in a compound formed between potassium and sulfur is

2

Predict and choose the most correct products formed from the reaction between iron III oxide and potassium metal

3k20+2fe

Choose the correct formula for a compound between ammonium and chromate ions

(NH4)2CrO4

The white powder used to line baseball football and soccer fields is a product of the reaction between calcium oxide and water What is the formula of this familiar powder

Ca(OH)2

Using the periodic chart indicate the most common charge of magnesium

1

Which of these elements is not diatomic potassium chlorine iodine or hydrogen

Potassium Chloride is not diatomic. Although chloride is a diatomic molecule (BrINClHOF), the formula for Potassium Chloride is KCl not KCl2. Therefore, it is not diatomic.

Use the electronegativity chart to determine the type of bond that will form between this pair of elements.

Use the electronegativity chart to determine the type of bond that will form between this pair of elements.

N + N

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