Question

Atomic size refers to the radius of an atom. The atomie size may be visualized as the
distance between the centre of the nucleus and the outermost shell of an isolated atom
The atomic radius of the hydrogen atom is 37 pm pm. Atomlesize decreases in going from
left to right along a period.
WC)
NI
Os
Dements of 2
period atomie radius
pm)
70
66
5 (16)
(171
N (11)
Mg (12)
P (15)
AI (13)
Dements of
period atomic radius
(pm)
99
104
110
136
125
.​

Answer 1

Answer:

Heat expands solids.

2. Solids expand on heating.

3. The pilot stopped the plane.

4. The plane stopped abruptly.

5. Afira must speak the truth.

6. Afira must speak loudly.

7. The girl is flying the plane.

8. The eagles are flying in the sky.

9. The motorist fell off the vehicle and broke his arm.

10. The lumberjack felled an evergreen tree.

11. The damage sank the boat.

12. The boat sank suddenly.