Question

An element X has 11 protons. What is the valency of the element? What will be the name of element?​

Answer 1

Answer:

Element -Na(Sodium)

Valency- 1

Explanation:

Valency is the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with. Therefore by losing 1 electron Na can get noble gas configuration corresponding to Neon (Ne). Therefore, the valency is 1.

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