(ii) What is the valency of Na (11) atom 1
7. (i) How is valency electron related to valency? 2
(ii) What is valency electrons?
8.You are given an element 16
8Z find out 2
(i) Protons, Electrons and neutron in Z
(ii) Write its electronic configuration
9. Describe the essential difference between cathode rays and can rays
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Explanation:
We all know that the chemical formula for water is H2O. How many times have we wondered why it is written as “H2O” and not something else? What is the reason for this particular formula? The answer to the above question is “Valency”. Let us know more about Valency and how it helps in determining a formula!
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