Question

2.
Five elements, A to E, have the following meline
points and boiling points.
Boiling point/°C
Element Melting point/°C
-219
A
-189
- В
-7
с
29
-186
-183
58
222
E
666
2450
(iii) a gas?
(a)
At room temperature (30°C), which
substance exists as
(i) a solid;
(ii) a liquid;
Describe what would happen to the
particles of element C when it is cooled
from 80°C to -10°C.
(b)what will be present as a solid ​

Answer 1

Answer:

2.

Five elements, A to E, have the following meline

points and boiling points.

Boiling point/°C

Element Melting point/°C

-219

A

-189

- В

-7

с

29

-186

-183

58

222

E

666

2450

(iii) a gas?

(a)

At room temperature (30°C), which

substance exists as

(i) a solid;

(ii) a liquid;

Describe what would happen to the

particles of element C when it is cooled

from 80°C to -10°C.

(b)what