3.1.3 bonding

Question 1

fluoride ion?

Answer 1

F-

Question 2

chloride ion?

Answer 2

Cl-

Question 3

bromide ion?

Answer 3

Br-

Question 4

iodide ion?

Answer 4

I-

Question 5

hydroxide ion?

Answer 5

OH-

Question 6

nitrate ion?

Answer 6

(NO3)-

Question 7

hydrogen carbonate ion?

Answer 7

(HCO3)-

Question 8

sulfate ion?

Answer 8

(SO4)2-

Question 9

carbonate ion?

Answer 9

(CO3)2-

Question 10

oxide ion?

Answer 10

(O2)-

Question 11

sulfide ion?

Answer 11

(S2)-

Question 12

phosphate ion?

Answer 12

(PO4)3-

Question 13

zinc ion?

Answer 13

Zn2+

Question 14

ammonium ion?

Answer 14

(NH4)+

Question 15

silver ion?

Answer 15

Ag+

Question 16

what are elements that don’t fill their outer shell (octet)?

Answer 16

• boron (B)
• beryllium (Be)
• aluminium (Al)

Question 17

what elements can expand their octet?

Answer 17

non-metals in the p-block in period 3 or lower

Question 18

what elements can expand their octet?

Answer 18

non-metals in the p-block in period 3 or lower

Question 19

what is a dative bond?

Answer 19

when there is a shared pair of electrons with both electrons supplied by one atom

Question 20

what’s the shape of 3 bonding pairs?

Answer 20

trigonal planar shape

Question 21

what’s the bond angle of 3 bonding pairs?

Answer 21

120°

Question 22

what’s the name of the shape of 4 bonding pairs?

Answer 22

tetrahedral shape

Question 23

what is the bond degree in a 4 bonding pairs structure?

Answer 23

109.5°

Question 24

what’s the 5 bonding pair structure called?

Answer 24

trigonal bipyramidal structure

Question 25

what are the bonding angles in a 5 bonding pair structure?

Answer 25

90° and 120°

Question 26

what is the name of the shape of 6 bonding pairs?

Answer 26

octahedral shape

Question 27

what is the bonding angle in 6 bonding pairs?

Answer 27

90°

Question 28

what is the valence shell electron pair repulsion theory (VSEPR)?

Answer 28

the shape adopted by a simple molecule or ion which keeps repulsive forces to a minimum

Question 29

what does electronegativity mean?

Answer 29

power of an atom to attract electrons in a covalent bond