Chapter 3 - Covalent Compounds (Part 1)

Front 1

Covalent compounds are formed when a _____ bonds with one or more _____.

Back 1

nonmetal
nonmetals

Front 2

_____, although a metal, will form covalent bonds with nonmetals.

Back 2

Hydrogen

Front 3

The first name of a covalent compound is the name of the _____ _____ in the compound.

Back 3

first element

Front 4

With covalent compounds, when are numerical prefixes used for the first name of the element?

Back 4

only if there are two or more atoms of that element in the compound

Front 5

The last name of a covalent compound is the name of the _____ _____ and ends in the letters _____.

Back 5

second element
ide

Front 6

Name the prefixes for the first names of covalent compounds that are used for the numbers 1 -10.

Back 6

1 = NOT USED
2 = di
3 = tri
4 = tetra
5 = penta
6 = hexa
7 = hepta
8 = octa
9 = nona
10 = deca

Front 7

Name the prefixes for the last names of covalent compounds that are used for the numbers 1 -10.

Back 7

1 = mono
2 = di
3 = tri
4 = tetra
5 = penta
6 = hexa
7 = hepta
8 = octa
9 = nona
10 = deca

Front 8

Name the compound.

Back 8

Nitrogen Monosulfide

Front 9

Name the compound.

Back 9

Nitrogen Disulfide

Front 10

Name the compound.

Back 10

Dinitrogen Monosulfide

Front 11

Name the compound.

Back 11

Dinitrogen Trisulfide

Front 12

Name the compound.

Back 12

Dinitrogen Tetrasulfide

Front 13

Name the compound.

Back 13

Dinitrogen Pentasulfide

Front 14

Name the compound.

Back 14

Nitrogen Monoxide

Last syllable of the prefix (mono, di, tri, etc.) is dropped only with oxides

Front 15

Name the compound.

Back 15

Nitrogen Dioxide

Last syllable of the prefix (mono, di, tri, etc.) is dropped only with oxides

Front 16

Name the compound.

Back 16

Dinitrogen Monoxide

Last syllable of the prefix (mono, di, tri, etc.) is dropped only with oxides

Front 17

Name the compound.

Back 17

Dinitrogen Trioxide

Last syllable of the prefix (mono, di, tri, etc.) is dropped only with oxides

Front 18

Name the compound.

Back 18

Dinitrogen Tetroxide

Last syllable of the prefix (mono, di, tri, etc.) is dropped only with oxides

Front 19

Name the compound.

Back 19

Dinitrogen Pentroxide

Last syllable of the prefix (mono, di, tri, etc.) is dropped only with oxides

Front 20

What is the chemical formula for water?

Back 20

see the picture

Front 21

What is the chemical formula for ammonia?

Back 21

see the picture

Front 22

What is the chemical formula for phosphine?

Back 22

see the picture

Front 23

What is the chemical formula for methane?

Back 23

see the picture

Front 24

Name the compound.

Back 24

Water

Front 25

Name the compound.

Back 25

Ammonia

Front 26

Name the compound.

Back 26

Phosphine

Front 27

Name the compound.

Back 27

Methane

Front 28

_____ _____ _____ are the structures of covalent molecules or polyatomic ions that show the arrangements of the electrons around each atom.

Back 28

Lewis Dot Structures

Front 29

What is the Lewis Dot Structure of hydrogen?

Back 29

see the picture

Note: The lone electron can be on any of the four sides of the hydrogen atom.

Front 30

Give the Lewis Dot Structure for oxygen.

Back 30

see the picture

Note: Any two sides may have the single electrons, and any two sides can have the pairs.

Front 31

Give the Lewis Dot Structure for phosphorus?

Back 31

see the picture

Note: Any three sides can have single electrons, and any side can have a pair of electrons.

Front 32

Give the Lewis Dot Structure for chlorine.

Back 32

see the picture

Note: Any three of the sides can have pairs of electrons, and any one side can have a single electron.

Front 33

Decide whether the following are acceptable Lewis Dot Structures for phosphorus.

Back 33

A - Incorrect. No side can have a second electron unless all sides have at least one.

B - Correct.

C - Incorrect. No side can have a second electron unless all sides have at least one.

D - Incorrect. Phosphorus has 5 valence electrons (not 6).

Front 34

Decide whether the following are acceptable Lewis Dot Structures for hydrogen.

Back 34

All are acceptable. Hydrogen has one electron, and it can be placed on any of the four sides.

Front 35

Decide whether the following are acceptable Lewis Dot Structures for oxygen.

Back 35

A - Incorrect. Oxygen has 6 valence electrons (not 5).

B - Incorrect. No side can have a 2nd electron until all sides have at least one.

C - Incorrect. Oxygen has 6 valence electrons (not 7).

D - Incorrect. No side can have 3 electrons.

Front 36

Decide whether the following are acceptable Lewis Dot Structures for chlorine.

Back 36

A - Incorrect. Chlorine has 7 valence electrons (not 6).

B - Incorrect. Chlorine has 7 valence electrons (not 8).

C - Correct

D - Correct

Front 37

Name the six steps to determine how to make the Lewis Dot Structure for a compound?

Back 37

see the picture