Chapter 3

Question 1

Salts are also called

Answer 1

Ionic compounds

Question 2

Simplest ionic compounds contain ____________ ions

Answer 2

Monatomic

Question 3

A neutral metal atom loses electron(s) forming a positively charged ion, a monatomic _____

Answer 3

Cation

Question 4

Metals lost electrons to have a filled _______ shell

Answer 4

Valence

Question 5

Neutral nonmetal atoms gain electron(s) forming a negatively charged ion, a monatomic

Answer 5

Anion

Question 6

A strong electrostatic attraction between oppositely charged ions (cations and anions) is an

Answer 6

Ionic bond

Question 7

In ions only ______ change. _________ and ________ stay the same

Answer 7

Electrons; protons and neutrons

Question 8

An ________ compound is held together by strong attraction of opposite charges. Net charge equal to zero, determines the ratio of cations to anions.

Answer 8

Ionic

Question 9

Metals ______ electrons while nonmetals ______ electrons

Answer 9

Lose, gain

Question 10

Groups 1A, 2A, and 3A (Al only) atoms electrons are all ______

Answer 10

Lost

Question 11

Nobel gases have a filled valence shell which makes them very _______

Answer 11

Stable

Question 12

Nonmetals ______ enough electrons to fill valence energy level

Answer 12

Gain- 5A, 6A, 7A

Question 13

Monatomic anion names use the name of the element with an -____ ending

Answer 13

“ide”

Question 14

When writing the formula unit for an ionic compound list the _____ symbol then the _____ symbol

Answer 14

Cation, anion

Question 15

Other fixed charges
Silver ion:
Zinc ion:
Cadmium ion:

Answer 15

Ag+
Zn2+
Cd2+

Question 16

Polyatomic ions derive from covalently bonded ________ not atoms. They contain one or more covalent bonds and an unequal number of protons and electrons.

Answer 16

Molecules

Question 17

Covalent compounds are composed of identical _______ and are composed of two or more nonmetal atoms joined by covalent bonds

Answer 17

Molecules

Question 18

These elements never exist alone and exist as molecules

Answer 18

Diatomic elements

Question 19

Diatomic elements

Answer 19

H2, N2, O2, F2, Cl2, Br2, I2

Question 20

Covalent compounds are comprised of molecules containing two or more different types of ________ atoms

Answer 20

Nonmetal

Question 21

Unlike ionic compounds, you do NOT simplify rations for _________ molecules

Answer 21

Covalent

Question 22

When naming simple binary compounds name the first element then name the second element changing the ending to ___

Answer 22

-ide

Question 23

Prefixes used to name covalent compounds
1, 2, 3, 4, 5, 6, 7, 8, 9, 10

Answer 23

Mono (not used for first non metal)
Di
Tri
Tetra
Penta
Hexa
Hepta
Octa
Nona
Deca

Question 24

Ionic Or covalent?
Is there a metal and or polyatomic ion present?
-If yes it is an ______ compound and needs a Roman numeral but no prefixes
- if no it is a _______ molecule and must use prefixes

Answer 24

Ionic, covalent

Question 25

Only single electrons pair up to make _____

Answer 25

Bonds

Question 26

Ionic or covalent? Is there a metal and/or a polyatomic ion present? If YES, it is an ______ _________ -no prefixes -is a Roman numeral needed If NO it is a __________ __________ -must use prefixes

Answer 26

Ionic compound, covalent molecule

Question 27

Account for all valence electrons present in the molecule

Answer 27

Lewis dot structures

Question 28

Bonds form between atoms to fill valence energy levels (usually eight electrons)

Answer 28

Octet rule