chapter 6 exam

Question 1

how are covalent bonds formed

Answer 1

through the sharing of two or more non-metals

Question 2

how are ionic bonds formed

Answer 2

transfer of alectrons between metals and non metals

Question 3

energy required to break a bond between two atoms

Answer 3

bond energy

Question 4

what factor makes bond length longer in single bonds

Answer 4

radius of the atom

Question 5

the tendancy of an atom to attract bonding electrons to itself when it bonds with another atom

Answer 5

electronegativity

Question 6

the larger the electronegativity difference…

Answer 6

the more polar the bond

Question 7

npc electronegativity

Answer 7

;ess than .5

Question 8

pc electonegativity

Answer 8

betwwwn .5 and 1/7

Question 9

ionic negativity

Answer 9

greater than 1.7

Question 10

the closer they are

Answer 10

the weaker there bond energy

Question 11

longest bond length

Answer 11

single bond

Question 12

how many bonds do BCNO form

Answer 12

3432 (+4 dots)

Question 13

outermost electrons nvolved in bonding

Answer 13

valence

Question 14

the chemical symbol represnts the nucleus and core electrons

Answer 14

lewis structure

Question 15

molecular formula

Answer 15

just the compound

Question 16

skeletal structure

Answer 16

drawing without dots or lines

Question 17

structural formula

Answer 17

full drawing with dots and lines

Question 18

atoms only bonded to one other atom

Answer 18

terminal atom

Question 19

rules for hydrogen drawings

Answer 19

H and halogens form one bond always

Question 20

how to place electrons

Answer 20

place one on each side of the central before pairing

Question 21

the higher the boiling point (Tb)

Answer 21

the stronger the IMF

Question 22

interionic interactions

Answer 22

stronger forces that hold ionic compounds together

Question 23

what IMF do NPC have

Answer 23

LDF’s only

Question 24

if the molecule has h bonding

Answer 24

it also has dipole to dipole and LDF