Nitrous oxide has 2 nitrogen atoms and 1 oxygen atom per molecule
Intermolecular force for solids is high. Whereas low in gases. The smell of agarbatti spreads immediately because the molecules of air diffuses very fastly.
Answer:



Explanation:
Mass of dog = 



So,



Mass of the dog in the other units is
,
and
.
1) H
2) He
3) Li
4) Be
5) B
6) C
7) N
8) O
9) F
10) Ne
11) Na
12) Mg
13) Al
14) Si
15) P
16) S
17) Cl
18) Ar
19) K