Naming Ions
Naming and Writing Formulas for Ionic Compounds & Molecular Compounds
Naming and Writing Formulas for Acids and Bases
The Laws Governing Formulas and Names
Vocabulary and Essay question
100

What is a monoatomic ion?

an ion consisting of a single atom with a positive or negative charge resulting from the loss or gain of one or more valence electrons, respectively.

100
What is a binary compound?
a compound composed of two elements that can be either ionic or molecular
100
When the name of the anion ends in -ide and there is no oxygen present, the acid name begins with the prefix ______ the stem of the anion has the suffix _____, and is followed by the word acid.
hydro, -ic
100

The ways of predicting compounds can that form elements are summed up in two laws:

The law of definite proportions, The law of multiple proportions

100

What is an acid?

a compound that contains one or more hydrogen atoms

200

What is a polyatomic ion?

An ion composed of more than two atom

200
To name any binary ionic compound, place the ______ name first, followed by the ______ name.
cation, anion
200
When the anion name ends in -ite, the acid name is the stem of the anion with the suffix _____, followed by the word acid.
-ous
200
An -ide ending generally indicates a
binary compound
200
What is a base?
an ionic compound that produces hydroxide (OH)- ions when dissolved in water
300
When the metals in Groups 1A, 2A, and 3A lose electrons, they form cations with positive charges equal to their ...
group number
300
How do you write the formula for a binary ionic compound?
Write the symbol of the cation and then the anion, add the subscripts needed to balance the charges.
300
When the anion name ends in -ate, the acid name is the stem of the anion with the suffix ____ followed by the word acid.
-ic
300
An -ite or -ate ending means a polyatomic ion that includes _______ in its formula
oxygen
300
Explain the Law of Definite Proportions.
in samples of any chemical compound, the masses of the elements are always in the same proportions
400
The charges of cations of many transition metal ions must be determined from the number of _____ lost
electrons
400
A prefix in the name of a binary molecular compound tells...
how many atoms of an element are present in each molecule of the compound.
400
How are bases named?
the same as other ionic compounds -- the name of the cation is followed by the name of the anion.
400
Prefixes in a name generally indicate that the compound is ...
molecular
400
Explain the Law of Multiple Proportions.
Whenever the same two elements form more than one compound, the different masses of one element that combine with the same mass of the other element are in the ratio of small whole numbers.
500
The names of most polyatomic anions end in ____ or ____.
-ite, -ate
500
How do you write a formula for a molecular compound?
use the prefixes in the name to tell you the subscript of each element in the formula, then write the correct symbols for the two elements with the appropriate subscripts.
500
A Roman numeral after the name of a cation shows ...
the ionic charge of the cation.
500
How would you use a flowchart to write the correct name for a compound?
follow the arrows and answer the questions.
500
Name the compounds CuBr2, SCl2, BaF2. Explain the use or omission of the Roman numeral (II) and the prefix di-
CuBr2 Copper(II) bromide *roman numeral is used when there is a transition metal (Cu) SCl2 Sulfur dichloride *"di-" is used when there are two nonmetals paired BaF2 Barium fluoride *this does not have "di-" because it is a metal and a nonmetal
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