metals

Question 1

Physical properties of metals

a-g

Answer 1

a. they are good electrical conductors
b. the conductivity of electrcity decreases as temp increases
c. most are solid at room temp
d. good heat conductors
e. are malleable
f. are ductile
g. high MP & BP

Question 2

Physical properties of non-metals

a-h

Answer 2

a. poor electrical conductors
b. poor thermal conductors
c. some are solid at room temp and some are gases
d. most gases are colourless
e. they are brittle
f. low MP & BP
g. dont have magnetic properties
h. have dull surfaces

Question 3

non-metal that are gases at room temp

Answer 3

1. H
2. He
3. N
4. O
5. F
6. Cl
7. Ar
8. krypton
9. xenon
10. radon
11. neon

Question 4

non-metasl that are solid

Answer 4

1. C
2. P
3. S
4. selenium
5. iodine