Test Compounds
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?