Write down the first 30 elements with atomic number and symbol?
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Answered by
1
hydrogen = 1
Helium =2
Lithium =3
beryllium=4
baron=5
carbon =6
nitrogen =7
oxygen=8
flourine=9
neon= 10
11= sodium
12= magnesium
13 =aluminium
14 =Silicon
15= Phosphorus
16= sulphur
17 =chlorine
18 =argan
potassium=19
calcium=20
Helium =2
Lithium =3
beryllium=4
baron=5
carbon =6
nitrogen =7
oxygen=8
flourine=9
neon= 10
11= sodium
12= magnesium
13 =aluminium
14 =Silicon
15= Phosphorus
16= sulphur
17 =chlorine
18 =argan
potassium=19
calcium=20
Answered by
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Hydrogen
Helium H
Lithium He
Beryllium Be
Boron B
Carbon C
Nitrogen N
Oxygen O
Fluorine F
Neon Ne
Sodium Na
Magnesium Mg
Silicon Si
Phosphorus P
Sulphur S
Chlorine. Cl
Argon Ar
Potassium K
Calcium Ca
Scandium Sc
Titanium Ti
Vanadium V
Chromium Cr
Manganese Mn
Iron Fe
Nickel Ni
Copper Cu
Zinc Zn
kannabunny1:
Its wrong . he missed cobalt which is before copper
i have written only 20
happy new year
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