Test Compounds

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Distillation

A chemist can often use the process of _________ to separate two liquids from each other.

Organic Compound

A compound such as methane that contains carbon is generally classified as an ______________

Forms ions in solution

A substance will conduct an electric current if it _______

Molecules

An ________________ is one in which atoms are held together by covalent rather than ionic bonds

1-

Based on its position in the periodic table, the most likely charge of an iodide ion is

Hydrate

CaSO4 x 2H2O is a ___________ because it always contains a fixed ratio of water molecules to calcium and sulfate ions

Deliquescent

If left outside on a table long enough, a _________ substance, such as calcium chloride, will take on enough water to form a liquid solution.

Inorganic Compound

In general, compounds that do not contain carbon are classified

Formula Unit

In the compound Al2O3, the simplest ratio of atoms in the compound called the __________________, is two atoms of aluminum to three atoms of oxygen;

Hydrocarbon

Methane and propane are examples of ____________ because they contain only carbon and hydrogen.

Binary Compound

One that contains two, and only two, elements.

Allotropes

Oxygen and ozone are __________, or different forms of the same element.

Hydroscopic

Sodium carbonate is a(n) _____________ substance because it takes on water molecules, to which it becomes chemically bonded.

Iron (III) Sulfide

The correct name for Fe2S3 is

Oxidation Number

The sodium ion (Na+) is said to have an ______ of 1+ because that is the charge on a sodium ion

Polyatomic Ion

The sulfate ion is an example of a ______ because it contains two different elements.

Anhydrous

When copper sulfate pentahydrate is heated, water is driven off, leaving behind ___________ copper sulfate

Hygroscopic Alum

Which of the following compounds can be used as a drying agent?

AlOH3

Which of the following formulas is incorrect?

AlBr3

Which of the following is the correct chemical formula for a formula unit of aluminum bromide?


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