Module 2

Question 1

Simplest chemical substance where atoms are exactly the same

Answer 1

Elements

Question 2

2 or more elements chemically bound together in a fixed ratio

Answer 2

Compund

Question 3

Combination of compounds, elements, and altogether in one chemical substance

Answer 3

Mixture

Question 4

formation of a chemical bond between two or more atoms, molecules, or ions to give rise to a chemical compound

Answer 4

Chemical bonds

Question 5

4 types of chemical bonds

Answer 5

1. Ionic bond
2. Covalent bond
3. Hydrogen bond
4. Metallic Bond

Question 6

Scientist for elements and atomisms

Answer 6

Robert boyle

Question 7

Scientist for combustion and phlogiston theory

Answer 7

Joseph Priestley

Question 8

Scientist for Law of Definite Proportion

Answer 8

Joseph Proust

Question 9

Scientist for Law of multiple proportion

Answer 9

John Dalton

Question 10

Scientist for Law of Conservation of mass

Answer 10

Antos Lavoisier

Question 11

Both metals and non-metals

Answer 11

Metalloids

Question 12

Transfer of electrons from one atom to another

Answer 12

Ionic bond

Question 13

Ionic bond exists to

Answer 13

Metals and non-metals

Question 14

An ion made of exactly one atom

Answer 14

Monoatomic Ions

Question 15

An atom that has an unequal number of protons and electrons

Answer 15

Monoatomic ions

Question 16

Made up of two or more atoms

Answer 16

Polyatomic ions

Question 17

sharing of one or more valence electrons from one atom to another.

Answer 17

Covalent bonds

Question 18

What bond exists between two non metals

Answer 18

Covalent bonds

Question 19

Covalent bond has gain and loss of electrons TRUE OR FALSE

Answer 19

False, there is no gain or loss, just sharing

Question 20

A type of bond that is formed when electrons are shared equally between two nonmetals

Answer 20

Non oplar covalent bonds

Question 21

Formed when electrons are shared unequally between two nonmetals

Answer 21

Polar covalent bonds

Question 22

symmetrical

Answer 22

non polar

Question 23

asymmetrical

Answer 23

polar

Question 24

have electrical poles

Answer 24

polar

Question 25

no electrical poles

Answer 25

non polar

Question 26

no charge seperation

Answer 26

non polar

Question 27

dipole moment

Answer 27

polar

Question 28

weak electrostatic forces

Answer 28

non polar

Question 29

weak hydrogen bonds

Answer 29

polar

Question 30

1

Answer 30

mono

Question 31

2

Answer 31

di

Question 32

3

Answer 32

tri

Question 33

4

Answer 33

tetr

Question 34

5

Answer 34

pent

Question 35

6

Answer 35

hex

Question 36

7

Answer 36

Hept

Question 37

8

Answer 37

Oct

Question 38

9

Answer 38

Non

Question 39

10

Answer 39

Dec

Question 40

The tendency of an atom in a molecule to attract the shared pair of electrons towards itself

Answer 40

electronegativity

Question 41

scientist of electronegativity

Answer 41

linus pauling

Question 42

T OR F Not all nonpolar molecules have nonpolar covalent bonding

Answer 42

True

Question 43

T OR F All polar molecules have polar covalent bonding

Answer 43

True

Question 44

Prediction of geometry/shape

Answer 44

VSEPR MODEL

Question 45

2 key principles of VSEPR

Answer 45

1.electrons repel each other 2.lone pairs repel other electrons

Question 46

colored triangle

Answer 46

front

Question 47

broken lines

Answer 47

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