Question

First 20 elements of periodic table with arrangement of electrons, symbols and atomic number

Answer 1

Answer:

we can't show the electrons be because they not in stationary position

at element sy

1)Hydrogen-H

2)Helium-He

3)Lithium-Li

4)Berrylium-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)Sulphur-S

17)Chlorine-Cl

18)Argon-Ar

19)Potassium-K

20)Calcium-Ca

• at-atomic number
• elements
• sy-symbols

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