write 1 to 20 elements and its valency???????
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write 1 to 20 elements and its valency???????
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Answer:
Valency-
Valency is the measure of the combining capacity of atoms or molecules. Therefore, it is the capacity of an atom of a single element to react and combine with particular numbers of atoms of another element.
Explanation:
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name of elements......
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
valency........
1. Hydrogen H........... 1
2 Helium He.......... 0
3 Lithium Li.............1
4 Beryllium Be............2
5 Boron B..............3
6 Carbon C...........4
7 Nitrogen N.......3
8 Oxygen O.......2
9 Fluorine F..........1
10 Neon Ne..........0
11 Sodium Na.....….1
12 Magnesium Mg........2
13 Aluminium Al. .........3
14 Silicon Si........4
15 Phosphorus P.......... 3,5
16 Sulfur S.........2
17 Chlorine Cl.......1
18 Argon Ar.........0
19 Potassium K..........1
20 Calcium Ca..........2
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