Question

h. Name the following -
Two elements that have a single electron in their outermost shells.
Two elements that have two electrons in their outermost shells.
Two elements with filled outermost shell
Two elements that belong to halogen family.
An element which is tetravalent and forms the basis of organic chemistry​

Answer 1

Answer:

1. Sodium, Potassium

2. Magnesium, Calcium

3. Neon, Argon

4. Chlorine, Fluorine

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