A. Write the valency and atomielty of the following elements.
Element
Symbel
Valency
Atomielty
Neon
Ne
Calcium
Hydrogen
H
Nitrogen
N
Oxygen
Chlorine
C
Carbon
Phosphorus
P
Sulphur
S
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A. Write the valency and atomielty of the following elements.
Element
Symbel
Valency
Atomielty
Neon
Ne
Calcium
Hydrogen
H
Nitrogen
N
Oxygen
Chlorine
C
Carbon
Phosphorus
P
Sulphur
S
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Answer:
neon , 2 , 8, 2
valency, +2
calcium , 2, 8 , 8 , 2
valency , +2
hydrogen, 1
valency , -2
nitrogen , 2, 5
valency, -3
oxygen , 2, 6
valency, -2
chlorine , 2, 8 , 7
valency, -1
carbon, 2 , 4
valency, +4
phosphorus, 2, 8 , 5
valency, -3
sulphur, 2 , 8 , 6
valency, -2