Question

What is valency? Write the valency of hydrogen, sodium, chlorine and sulphur

Answer 1

the no. of electrons present in outermost cell of any element is known as its valency

valency of

hydrogen is 1

sodium is 1

chlorine is 1

sulphur is 2

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Answer 2

Answer:

the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with is called as valency

valency of hydrogen is +1

valency of sodium is +1

valency of chlorine is +1

valency of sulphur is +6

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