Unit 3

Question 1

Isomer

Answer 1

Molecules that have the same molecular formula but different arrangements of atoms

Question 2

Fractional distillation

Answer 2

Method of separation according to boiling points of substances

Question 3

Structural formula

Answer 3

Uses dashes to represent shared paired electrons

Question 4

Electron dot formula

Answer 4

Uses dots to represent a shared paired of electrons

Question 5

Condensed formula

Answer 5

Gives info about how atoms are arranged in the molecule

Question 6

Valence electrons

Answer 6

Electrons in the outermost sone if an atom

Question 7

Ionic bond

Answer 7

Bonds formed when electrons are transferred (nonmetal and metal)

Question 8

Covalent bond

Answer 8

Bond formed when electrons are shared

2 nonmetals

Question 9

Where is the world largest petroleum reserves are in

Answer 9

Middle East

Question 10

Which hydrocarbon is the greatest intermolecular forces

Answer 10

Decane

Question 11

An ionic bond is mostly always a

Answer 11

Gas or solid

Question 12

Metals tend to

Answer 12

Lose electrons

Question 13

Metals form

Answer 13

Positive ions

Question 14

Hydrocarbon

Answer 14

Molecules made of carbon chains with hydrogen attached