1. (Atom) atoms
1.
2. (galaxy)
“ ”
CO CO 2

2. ( 1, 3, 4
1. , ,
3 - 4
1.60 x 10 -19 9.11 x 10
-28

3. 2
1 .
2.
3. n
= 1 n =2, n = 3,... K , L , M ,
N ,O , P , Q ....

4. 1.
2.
3.
4.
5.