First 20 elements of periodic table with arrangement of electrons, symbols and atomic number
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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
please mark it as brainliest
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