Question

Name the following
The quantity which is numerically equal to the ratio of displacement and time.
Give two examples of elements having eight electrons in the outermost orbit (
State whether the following statements are true or false
(1
arers are called as scavengers.​

Answer 1

sodium chloride (NaCl)

Adding a second electron to form a hypothetical Cl2- would require energy, energy that cannot be recovered by the formation of a chemical bond. The result is that chlorine will very often form a compound in which it has eight electrons in its outer shell (a complete octet), as in Cl−.

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