3. What is valency? give the valancies of the following :oxygen, hydrogen, sodium, magnesium, chlorine
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3. What is valency? give the valancies of the following :oxygen, hydrogen, sodium, magnesium, chlorine
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This is called valency...
Valency for Oxygen is:2
valency for hydrogen is :1
Valency for sodium:1
valency for magnesium:2
Valency for chlorine :1
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