Vocabulary
Covalent Bonds
Ions
Chemical Names and Formulas
Acids and Bases
100
A compound composed of two different elements
What is a binary compound
100
A covalent bond forms when?
What is when atoms share electrons
100
The correct name for the ion Fe^2+.
What is iron(II) or ferrous
100
What is the formula for magnesium hydroxide?
What is Mg(OH)2 (the 2 is small or subscript)
100
Name the following acid HCn.
What is hydrocyanic acid (RULE 1)
200
A covalent bond between two atoms of different electo negativities in which the bonding electrons are not shared equally
What is a polar bond
200
Which of the following compounds is NOT covalent: KCl or HCl
What is KCl (covalent = nometal-nonmetal)
200
The sulfate ion is written how?
What is SO4 ^2- (the 4 is little, while the 2- is an exponent)
200
In naming a binary molecular compound, the number of atoms of each element present in the molecule is indicated by what?
What is prefixes
200
Name the base KOH.
What is potassium hydroxide
300
a covalent bond involving two shared pairs of electrons
What is a double covalent bond
300
Which of these elements does NOT exist as a diatomic molecule: I, F, H, He
What is Helium
300
The correct name for the N^3-.
What is nitride ion (all anions take the ending -ide)
300
Name CoI2
What is cobalt(II) iodine
300
Acids are compounds that produce ________ ions when dissolved in water.
What is Hydrogen (all acids will have a H in the formula)
400
A covalent bond formed by the EQUAL sharing of bonding electrons by two atoms
What is a nonpolar covalent bond
400
Which of the following compounds is NOT ionic? NaI or CO2
What is CO2 (ionic = nonmetal and metal)
400
What is the ionic charge on the chromium ion in the ionic compound that has the formula Cr2O3?
What is 3+ (if you crisscross backwards... you see that the Cr had to originally have a 3 charge and we know it's positive because it is listed first)
400
When naming an ion of a transition metal that has more than one common ionic charge, the numerical value of the charge is indicated by what?
What is Roman numeral following the name.
400
Bases are compounds that produce __________ ions when dissolved in water.
What is hydroxide (OH) (all bases will have hydroxide in the formula)
500
A covalent bond between two atoms in which the shared electron pair comes from only one of the atoms
What is a coordinate covalent bond
500
The carbon tetrachloride molecule is what type of shape?
What is tetrahedral
500
An -ite or -ate ending on the name of a compound indicates that the compound is what?
What is a polyatomic anion
500
The formula for calcium phosphate.
What is Ca3(PO4)2 (all numbers are little...subscript)
500
Name the acid HClO.
What is hypochlorous acid (RULE 2)
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