Question

the atomic number and the symbol of first 20 elements from the periodic table..answer right if you want brainliest.. ^_^

Answer 1

Answer:

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

20-Ca