Question

explain the variation of first ionization energy in fluorine,oxygen,nitrogen and carbon

Answer 1

ionization energy increase as carbon ,nitrogen, oxygen,fluorine as atomic number is increasing therefore the effective nuclear charge is also increasing and electrons are tightly bound to the nucleus therefore it is difficult to remove them and hence ionization energy is higher
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Answer 2

$\huge{\mathcal{QUESTION}}$

Explain the variation of first ionisation energy in F,O,N and C.

$\huge{\mathcal{Answer}}$

The increasing order of Ionisation energy is C<N<0<F because along a period the size decrease and Nuclear charge increases.

I.E is directly proportional to NUCLEAR CHARGE

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$\huge{\mathcal{BRAINLIEST}}$