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Key Concepts
Naming
Writing Formulas
Vocabulary
Misc.
100
When the metals in groups 1A 2A and 3A loose _________, they form cations with positive charges equal to their group number.
What are electrons
100
Prefixes distinguish compounds that contain different numbers of what?
What are atoms
100
Ba2 S2 is the same as BaS (T/ F)
What is True
100
These consist of a single atom wit a + or - charge from the loss or gain of 1 or more valence electrons.
What are monatomic ions
100
A tabular arrangement of the chemical elements according to atomic number as based on the periodic law.
What is the periodic table
200
The names of most polyatomic anions end in ___, or ___.
What is -ite or -ate
200
the prefix tri stands for...
What is the number 3
200
In the formula LiNe, which does not form compounds making it incorrect?
What is Neon
200
These are composed of 2 elements that can be ionic or molecular.
What are binary componds
200
Ide ending indicates a what.
What is a binary compound
300
To name any binary ionic compound, place the _____ name first followed by the anion name.
What is cation
300
the prefix hepta stands for...
What is the number 7
300
The formula for Calcium Sulfide is ______.
What is CaS
300
A positively charged ion.
What is a cation
300
Prefixes in a name indicate what about a compound?
What is being molecular
400
Prefixes in the name of a compound tell you the _____ of each element in the formula.
What is subscript
400
the prefix penta stands for...
What is the number 5
400
The formula for carbon tetrachloride is _____.
What is CCL4
400
A negatively charged ion.
What is an anion
400
A Roman numeral after a name indicates what?
What is ionic charge
500
When the name of an anion ends in ide, the acid name must begin with what?
What is hydro
500
To name a binary molecular compound you must confirm it is what first?
What are two non-metals
500
The formula for sodium dihydrogen phosphate is ______.
What is NaH2 PO4
500
A chemical formula showing the ratio of elements in a compound rather than the total number of atoms
What is an empirical formula
500
Of or relating to a molecule made up of two atoms
What is diatomic