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24 Cards in this Set

  • Front
  • Back
Proof of a chemical reaction
1 or more of these: a solid seperates from a liquid, a gas is produced, a permanant color change, temperature change, light or sound is produced.
This represents the chemical composition of a substance...
Chemical Formula
This represents the changes that take place in substances as they react...
Chemical Equation
These numbers below the line tell how many of each kind of atom is present...
This number tells how many electrons an element is likely to gain, lose, or share...
Alkali metal atoms (Group 1A) have an oxidation number of...
Alkaline-earth metals (Group IIA) have an oxidation number of...
Halogens (Group 17) have an oxidation number of...
Oxygen family elements (group 16) have an oxidation number of...
Transition metals usually have an oxidation number of...
+1 or +2
The sum of the oxidation number in any formula must be...
When writing a formula, which element goes first?
The less electronegative one-the one farther to the left or farther down on the periodic chart
In a correctly written formula, the subscript times the ___________ of each element added together will equal zero.
oxidation number
Ions composed of two or more atoms that are covalently bonded and act as a single particle...
Polyatomic Ions
A polyatomic ion must always be in _____________ when it has a subscript.
A compound with only two elements...
Binary compound
In a binary compound, the first name of the compound is the name of the...
element with the positive oxidation number.
In a binary compound, the last name is the name of the...
element with the negative oxidation number with an -ide ending.
To name a binary compound made of two nonmetals, use...
The prefixes for 1 through 6 are...
mono (don't use with first element),di, tri, tetra, penta,hexa
To name a compound with a polyatomic ion in it...
write the name of the cation (positive ion) with no prefixes and the name of the anion with, if it is a single element, and ide ending, or, if it is a polyatomic ion, with the ions name with no ending.
Nitrogen has two oxidation numbers that are...
-3 and +5
What is the common name for Iron Oxide?
Noble gases have oxidation numbers of...