0
Anonymous
To determine how many 2s go into 18, you can divide 18 by 2. When you perform the calculation, 18 ÷ 2 equals 9. Therefore, there are nine 2s in 18.
2000
310.
39
20 of them.
There is only one 2s orbital in an atom.
25 of them
100 2s for the hundreds digit of 200-30010 2s for the tens digit of 220-23010 2s for the ones digit of 200-300________________________________120 '2s'
unknown
36
1
26
42