bonding exam

Question 1

Ionic bonding

Answer 1

M &NM transfer electrons high melting point high boiling good conductors aqeuous or molten bc free ions crystalline solid

Question 2

molecular

Answer 2

NM&NM share electrons covalent bond low boiling and melting point not good conductors, insoluable solid liquid or gas

Question 3

metallic bonding

Answer 3

M&M sea of valance electrons ductile malleable good conductors bc free electron

Question 4

Ag

Answer 4

1+

Question 5

zn

Answer 5

2+

Question 6

cd

Answer 6

2+

Question 7

Anions

Answer 7

NM gain electrons become negative bigger than neutral atom

Question 8

Cations

Answer 8

M lose electrons become positive smaller then neutral atom

Question 9

octet rule

Answer 9

8 val e- become stable

Question 10

formula unit

Answer 10

smallest representative unit subscripts are simplest whole number ratios

Question 11

Ternary Ionic compounds

Answer 11

3 or more elements with polyatomic

Question 12

Diatomic

Answer 12

N2 O2 F2 Cl2 Br2 I2 H2

Question 13

1

Answer 13

mono

Question 14

2

Answer 14

di

Question 15

3

Answer 15

tri

Question 16

4

Answer 16

tetra

Question 17

5

Answer 17

penta

Question 18

6

Answer 18

hexa

Question 19

7

Answer 19

hepta

Question 20

8

Answer 20

octa

Question 21

9

Answer 21

nona

Question 22

10

Answer 22

decaa

Question 23

ionic character & electronegativity

Answer 23

the greater the electronegativity difference the stronger the ionic bond and character is

Question 24

single bond

Answer 24

sigma (longest weakest)

Question 25

double bond

Answer 25

pi (shorter tighter)

Question 26

triple bond

Answer 26

sigma pi sigma(shortest tightest)

Question 27

VSEPR theory

Answer 27

valance shell electron pair repulsion (structure determiner)

Question 28

polar

Answer 28

different atoms one more negative one more positive

Question 29

nonpolar

Answer 29

same atom equal share

Question 30

vector arrow

Answer 30

points to more electronegative farthest to right and high up

Question 31

metal alloy

Answer 31

composition of more than one metal

Question 32

boron

Answer 32

6 val e-

Question 33

hydrogen

Answer 33

2 vale-