Chapter 3

Question 1

Chemical Bonds are

Answer 1

Compounds (chemicals of more than 1 element)

Question 2

Atoms combine in ____, whole number ____.

Answer 2

Fixed

Ratios

Question 3

Given Compounds always have some relative # of each kind of Atom (T/F)

Answer 3

True

Question 4

These were examples of which theory?

Answer 4

Dalton’s Atomic Theory

Question 5

Ionic bonds

______+______

Answer 5

Metal + non-metal

Question 6

Covalent bond

______+______

Answer 6

Non-metal + non-metal

or metalloid

Question 7

Which can have polar/non-polar compounds? Ionic or covalent (I or C)?

Answer 7

Covalent

Question 8

I or C:

high boiling and melting point

Answer 8

Ionic

Question 9

High boiling and melting points mean the bond is more ______.

Answer 9

Stable. More energy required to break

Question 10

I or C?

Share Electrons

Answer 10

Covalent

Question 11

I or C?

Opposite charges attract

Answer 11

Ionic

Question 12

Charge on an Ion is called?

Answer 12

Oxidization number

Question 13

Likely to give an electron and has a positive charge

Answer 13

Cation

Question 14

Likely to gain electrons and have a negative charge

Answer 14

Aninon

Question 15

________ determines the donor of a electrons in a bond.

Answer 15

Electronegativity

Question 16

Example of an Ionic bond

Answer 16

Na+ + Cl- => NaCl

Question 17

name of NaCl

Answer 17

Sodium Chloride

Question 18

Which of NaCl has a higher electronegativity? why?

Answer 18

Cl-
It takes Na one ve-
periodicy

Question 19

Explain the periodicy of electronegativity

Answer 19

Increases —> and up

Question 20

Electrons are shared equally is?

Answer 20

Non-Polar

Question 21

Electrons are not shared equally as one atom is more attractive to the e- than the other is?

Answer 21

Polar

Question 22

Polar vs non-polar is determined by ________.

Answer 22

Electronegativity

Question 23

> _1.9 EN =

Answer 23

Ionic

Question 24

<1.9 EN =

Answer 24

Covalent

Question 25

1.8-0.5 EN =

Answer 25

Covalent and Polar

Question 26

<0.5 EN =

Answer 26

Covalent and non-polar

Question 27

Most stable group of elements? Why?

Answer 27

Noble gases. They have a full Octet natually

Question 28

What is the Octet Rule

Answer 28

Tendency of atoms to react to achieve an outer valance shell configuration of 8e-

Question 29

Name an excepetion to the octet rule (H)

Answer 29

Hydrogen is happy with just 2

Question 30

Name an excepetion to the octet rule (B)

Answer 30

Boron is happy with just 6

Question 31

Can you have an odd number of electrons?

Answer 31

Yes, these are unstable naturally and are an exception to the octet rule (NO, NO2)

Question 32

What is an expanded Octet?

Answer 32

More than 8ve-

Question 33

John Teller Theorum

Answer 33

If degenerate orbitals are asymmetrical a distortion will occur to remove the degeneracy

Question 34

atoms and ions are different in their chemical properties. Give an example

Answer 34

Na poisonous and reactive

Na+ non-toxic and stable

Question 35

NaCl is ionize, stable, and __________.

Answer 35

Electroneutral

Question 36

Naming Conventions for:

SYSTEMATIC MONOATOMIC CATIONS

Answer 36

Element name + “ION”

Na+ -> Sodium ion

Question 37

Naming Conventions for:

SYSTEMATIC MULTIPLE CATIONS (transitional metals)

Answer 37

Element(roman #) +”ION”

Cu+2 -> Copper(II) Ion
Sn+4 -> Tin(IV) Ion

Question 38

Naming Conventions for:

COMMON MULTIPLE CATIONS (transitional metals)

Answer 38

Latin name+ suffix

Smaller = "ous"
Larger = "ic"

Question 39

Elements that can fall in COMMON MULTIPLE CATIONS (transitional metals)

Answer 39

Cu+  Cuprous
Cu+2  Cupric
Fe+2  Ferrous 
Fe+3  Ferric
Pb+2  plumbous
Pb+4  plumbic
Sn+2 stannous
Sn+4 Stannic

Question 40

Naming Conventions for:

SYSTEMATIC MONO ANIONS

Answer 40

Add “ide” to element

Cl- Chloride

Question 41

Stability increases as more orbitals are filled (T/F)

Answer 41

TRue