Question

Atom with their atomic number and their atomic mass

Answer 1

Answer:

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Answer 2

Answer:

Explanation:1 H Hydrogen

2 He Helium

3 Li Lithium

4 Be Beryllium

5 B Boron

6 C Carbon

7 N Nitrogen

8 O Oxygen

9 F Fluorine

10 Ne Neon

11 Na Sodium

12 Mg Magnesium

13 Al Aluminum

14 Si Silicon

15 P Phosphorus

16 S Sulfur

17 Cl Chlorine

18 Ar Argon

19 K Potassium

20 Ca Calcium