Question

how to learn periodic and valency chart
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Answer 1

I tell you a trick

• Read electronic configuration and find a pattern but first of all you have to learn periodic table.

• easy way to learn valency.

If you have a periodic table with you, try to locate the elements you know already, and their valencies.

You'll notice that sodium, potasssium and hydrogen have a valency of 1 and are both in group 1.

Group II elements will have valencies of 2. Group III, valencies of three. Group IV valencies of 4.

However, group V will have valencies of 3, group VI valencies of 2, group VII valences of 1 and group VIII or 0 valency of zero.

by doing practice you will learn.

please make sure me brainlist

Answer 2

Explanation:

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