Chemical Bonding

Question 1

Intramolecular bonding consists of

Answer 1

Strong chemical bonds that hold atoms together

Question 2

Intramolecular bonds include

Answer 2

Ionic and covalent bonds

Question 3

Intermolecular forces are

Answer 3

Weaker forces between molecules

Question 4

He and H are content with how many electrons?

Answer 4

Two

Question 5

Lithium is content with how many electrons?

Answer 5

Two

Question 6

Beryllium is content with how many electrons?

Answer 6

Four

Question 7

Boron is content with how many electrons?

Answer 7

Six

Question 8

Ionic compounds consist of

Answer 8

Crystal lattices of positive and negative ions

Question 9

Ionic compounds have

Answer 9

High mps and bps

Question 10

In what phases do ionic compounds conduct electricity?

Answer 10

• Liquid

- Aqueous

Question 11

Covalent bonds can be characterized by

Answer 11

• Bond length

- Bond energy

Question 12

Bond length is the

Answer 12

Average distance between nuclei

Question 13

The shortest bonds are the

Answer 13

Triple bonds

Question 14

The longest bonds are the

Answer 14

Single bonds

Question 15

Bond energy is the

Answer 15

Energy needed to separate 2 bonded atoms

Question 16

Bond energy increases as the

Answer 16

Number of shared electron pairs increases

Question 17

What is the equation for formal charge?

Answer 17

V - (sticks + stones)

Question 18

For Lewis structures, it is preferred for:

Answer 18

• Negative formal charges to be on electronegative atoms

Question 19

Polar covalent bonds result due to

Answer 19

Small differences in electronegativity

Question 20

Nonpolar covalent bonds can be found in

Answer 20

Diatomic molecules

Question 21

Coordinate bonds form between

Answer 21

Two molecules, like Lewis acids and bases

Question 22

A Lewis acid is one that

Answer 22

Accepts an electron pair

Question 23

A Lewis base is one that

Answer 23

Donates an electron pair

Question 24

How is the VSEPR structure when there are 2 electron pairs?

Answer 24

Linear @ 180º

Question 25

How is the VSEPR structure when there are 3 electron pairs?

Answer 25

Trigonal Planar @ 120º

Question 26

How is the VSEPR structure when there are 4 electron pairs?

Answer 26

Tetrahedral @ 109.5º

Question 27

How is the VSEPR structure when there are 4 electron pairs + 1 lone pair?

Answer 27

Trigonal Pyramidal @ 107º

Question 28

How is the VSEPR structure when there are 4 electron pairs + 2 lone pairs?

Answer 28

Bent @ 104º

Question 29

How is the VSEPR structure when there are 5 electron pairs?

Answer 29

Trigonal Bipyrimidal @ 90º, 120º, 180º

Question 30

How is the VSEPR structure when there are 6 electron pairs?

Answer 30

Octahedral @ 90º and 180º

Question 31

Tetrahedrals are normally

Answer 31

Nonpolar

Question 32

Intermolecular forces are

Answer 32

Between molecules

Question 33

Which forces are collectively known as Van der Waals?

Answer 33

• Dipole-Dipole

- LDFs

Question 34

The strongest IMFs are

Answer 34

Dipole-ion

Question 35

HBs are strong but they are weaker than

Answer 35

Dipole-ions

Question 36

Dipole-dipole forces are found in

Answer 36

Solid and liquid phases

Question 37

Dispersion forces interact with

Answer 37

Electron clouds of neighboring molecules

Question 38

Dispersion forces are weaker than

Answer 38

IMFs

Question 39

Dispersion forces are important in

Answer 39

Short distances

Question 40

The strength of Dispersion forces depends on

Answer 40

Mobility of atoms

Question 41

An off number of valence electrons means an atom o=is

Answer 41

Paramagnetic

Question 42

Paramagnetic atoms are ones which are

Answer 42

Weakly drawn to magnetic field