Question

.Which elements among the following belong to the 18th group of Modern Periodic table/ਹੇਠ ਲਿਖਿਆਂ ਵਿੱਚੋਂ ਕਿਹੜੇ ਤੱਤ ਆਧੁਨਿਕ ਆਵਰਤੀ ਸਾਰਣੀ ਦੇ 18ਵੇਂ ਗਰੁੱਪ ਨਾਲ ਸਬੰਧਤ ਹਨ *

1 point

a)F,Cl

b)Li, Na

c)He, Ne

d)O, S

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Answer 1

Answer:

Group 18 elements in the sense there should be 8 electrons in its valence shell that is octet with stable configuration. Hence inert elements are Neon,Xenon and so on.

Answer 2

c)

Explanation:

I have a simple trick for group 18 HENE AUR KRENA KA XREY RANGEN