Write names, symbols and atomic numbers of first 20 elements. Give at least one use of each
Ajayprajapati111:
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5
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)Florine
F
10)Neon
Ne
11)Sodium
Na
12)Magnesium
Mg
13)Aluminum
Al
14)Silicon
Si
15)Phosphorus
P
16)Sulfur
S
17)Chlorine
Cl
18)Argon
Ar
19)Potassium
K
20)Calcium
Ca
@skb
H
2)Helium
He
3)Lithium
Li
4)Beryllium
Be
5)Boron
B
6)Carbon
C
7)Nitrogen
N
8)Oxygen
O
9)Florine
F
10)Neon
Ne
11)Sodium
Na
12)Magnesium
Mg
13)Aluminum
Al
14)Silicon
Si
15)Phosphorus
P
16)Sulfur
S
17)Chlorine
Cl
18)Argon
Ar
19)Potassium
K
20)Calcium
Ca
@skb
Answered by
3
Hydrogen Helium Lithium beryllium Boron carbon Nitrogen Oxygen fluorine neon sodium magnesium aluminium Silicon Phosphorus Sulphur chlorine organ potassium calcium
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