How To Name Ionic & Molecular Compounds

Question 1

A binary ionic compound is formed between one ______ and one ______

Answer 1

Metal ion

Nonmetal ion

Question 2

The ______donates valence electrons to become a positive ion. The ______ accepts these electrons into its outer energy level to become a negative ion.

Answer 2

Metal

Nonmetal

Question 3

Ionic compounds do not form individual molecules but exist as a ______ structure

Answer 3

Crystal lattice

Question 4

This is a regular three-dimensional pattern of alternating positive and negative ions producing an electrically neutral ______

Answer 4

Compound

Question 5

This is a very stable arrangement so all ionic compounds are ____ at room temperature

Answer 5

Solid

Question 6

The chemical formula of an ionic compound is called a ______

Answer 6

Formula unit

Question 7

Step 1 of naming ionic compounds

Answer 7

1. Write the name of the metal (positive) ion first

Question 8

Step 2 of naming ionic compounds

Answer 8

2. Write the name of the nonmetal (negative) ion last and change he ending to “-ide”

Question 9

The name of ionic compounds do NOT include ______

Answer 9

Prefixes

Question 10

Ionic compounds with ______elements must have ______after the name of the positive (metal) ion to indicate the charge in that ion

Answer 10

Multivalent (double charge)

Roman numerals

Question 11

______consist of a group of atoms combined together that exist as a single unit with an overall electric charge

Answer 11

Polyatomic ions

Question 12

Most polyatomic ions have a ______, which means they behave as nonmetals. This means that they are always written ______in the formula

Answer 12

Negative charge

Last

Question 13

The rule for more than one polyatomic ion is the symbol for the ion must be written in ______

Answer 13

Brackets

Question 14

A ______is two or more nonmetal atoms bonded together. Each molecule is independent of the next and is not part of a ______

Answer 14

Molecule

Lattice

Question 15

______ molecular compounds are formed between two nonmetal elements

Answer 15

Binary

Question 16

When ______ atoms combine, the only way this can be achieved is if they ______ their outer electrons

Answer 16

Nonmetal

Share

Question 17

Since electrons are being shared (always in pairs) there is a strong force of attraction between the two atoms. This force is a ______

Answer 17

Covalent bond

Question 18

The fast majority of elements exist in nature as single atoms. These are called ______

Answer 18

Monoatomic

Question 19

There are a few ______elements (exist as pairs of atoms)

Answer 19

Diatomic

Question 20

Step 1 of naming molecular compounds

Answer 20

1. Name the first element

Question 21

Step 2 of naming molecular compounds

Answer 21

2. Name the second element with “-ide” at the end

Question 22

Step 3 of naming molecular compounds

Answer 22

3. Add prefixes indicating numbers of atoms

Question 23

1

Answer 23

Mono

Question 24

2

Answer 24

Di

Question 25

3

Answer 25

Tri

Question 26

4

Answer 26

Tetra

Question 27

5

Answer 27

Penta

Question 28

6

Answer 28

Hexa

Question 29

7

Answer 29

Hepta

Question 30

8

Answer 30

Octa

Question 31

9

Answer 31

Nona

Question 32

10

Answer 32

Deca