Study guide flashcards
The sulfate ion is an example of __________ because it contains two different elements
Polyatomic ion
A __________ is one that contains two, and only two, elements
Binary compound
CaSo4 x 2H2O is a __________ because it always contains a fixed ratio of water molecules to calcium and sulfate ions
dihydrate
A chemist can often use the process of __________ to separate two liquids from each other
distillation
The sodium ion (Na+) is said to have a __________ of 1+ because that is the charge on a sodium ion
Oxidation number
A compound such as methane that contains carbon is generally classified as a __________
Organic compound
Sodium carbonate is a __________ substance because it takes on water molecules, to which it becomes chemically bonded
hygroscopic
Oxygen and ozone are __________ , or different forms of the same element
allotropes
When copper sulfate pentahydrate is heated, water is driven off, leaving behind __________ copper sulfate
annyous
Methane and propane are examples of __________ because they contain only carbon and hydrogen
hydrocarbons
If left outside on a table too long a __________ substance, such as calcium chloride, will take on enough water to form a liquid solution
deliquescent
In the compound Al2O3, the simplest ratio of atoms in the compound, called the __________, is two atoms of aluminum to three atoms of oxygen
formula unit
A ___________ is one in which atoms are held together by covalent rather than ionic bonds
molecular compound
In general, compounds that do not contain carbon are classified as __________
Inorganic compounds
Multiple choice page
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Sodium and oxygen
Sodium oxide
Aluminum and fluorine
aluminum fluoride
Magnesium and phosphorus
magnesium phosphate
Calcium and sulfate
calcium sulfate
ammonium and nitrate
ammonium nitrate
aluminum and carbonate
aluminum carbonate
copper (2+) and acetate
copper (II) acetate
iron (3+) and sulfate
ferric sulfate
sulfer (6+) and oxygen
sulfate
