Science, asked by anshusinghafsss91, 1 month ago

write first 20 elements hydrogen to calcium​

Answers

Answered by UTTAMSHARMA84
2

Explanation:

1 Hydrogen H

2 Helium He

3 Lithium Li

4 Beryllium Be

5 Boron B

6 Carbon C

7 Nitrogen N

8 Oxygen O

9 Fluorine F

10 Neon Ne

11 Sodium Na

12 Magnesium Mg

13 Aluminium Al

14 Silicon Si

15 Phosphorus P

16 Sulfur S

17 Chlorine Cl

18 Argon Ar

19 Potassium K

20 Calcium Ca

Answered by rahatekrishna21
6

Answer:

mark brainliest

Explanation:

Metals: Lithium, Beryllium, Sodium, Magnesium, Aluminum, Potassium, and Calcium

Non-metals: Hydrogen, Helium, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Phosphorus, Sulfur, Chlorine, and Argon

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