Ionic and Molecular Nomenclature

Vocabulary

100

a positively charged ion

cation

200

a negatively charged ion

anion

300

a single atom with a charge

monatomic ion

400

group of atoms with an overall charge that behaves like a single unit

polyatomic ion

500

compound made of two different elements

binary compound

Ions I

100

Generally, the type of ions whose names end in -ide.

anions

200

The name of the P^3- ion.

phosphide

300

Charges on nonmetal ions may be determined using this formula

Group number - 8

400

Write the formulas for the hydroxide and oxide ions

OH^- and O^2-

500

Most polyatomic ions have this charge

negative

Ions II

100

The change that Group 1A elements undergo when they form ions

Lose 1 electron

200

Used to indicate the charge on the ion formed by a transition metal

a Roman numeral

300

The type of ions that generally end with -ate or -ite

polyatomic ions

400

The charge of the Mn ion in MnBr₂

2+

500

The ion that is written first in the formula of an ionic compound

Cation

Ionic Compounds

100

The types of elements bonded to form an ionic compound

metal and nonmetal

200

Which of the following would form an ionic compound when bonded to chlorine?

a. potassium

b. carbon

c. oxygen

d. phosphorus

A. potassium

300

Write the formula for the compound formed between Sn²⁺ and O^2-

SnO

400

The name of PbCl₂

lead(II) chloride

500

The formula of sodium oxide

Na₂O

Molecular Compounds

100

The types of elements that combine to form molecular compounds.

nonmetal and nonmetal

200

The ending of all binary molecular compounds

The suffix -ide

300

Used to indicate the number of atoms in the formula for a binary molecular compound

prefixes

400

The formula for phosphorus pentachloride

PCl₅

500

The name of N₂O₄

dinitrogen tetroxide

Acids

100

What is the suffix for acids formed by -ate ions?

-ic acid

200

How are acids formed from ions that end in -ide named?

Hydro- (stem) -ic acid

300

If you see an -ous acid, what kind of ion does it contain?

an -ite ion

400

Write the formula for hydrosulfuric acid

H₂S

500

What is the name of H₃PO₄?

phosphoric acid

Vocabulary 2

100

Which type of compound produced hydrogen ions when dissolved in water?

Acids

200

What states that in any chemical compound, the masses of elements are always in the same proportion by mass?

law of definite proportions

300

Which compounds produce hydroxide ions when dissolved in water?

bases

400

What states that when two elements form more than one compound, the masses of one element that combine with the same mass of the other element are in the ratio of small, whole numbers?

law of multiple proportions

500

N₂O₄ and N₂O₅ may be used as examples for which law?

law of multiple proportions