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Which of the following is true about the...

Which of the following is true about the element with atomic number 18?

A

it has a very low ionisation potential

B

it has a very high electron affinity

C

its molecules are monoatomic

D

its electronegativity is very high.

Text Solution

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The correct Answer is:
C

element with atomic number 18 noble gas (Ar).
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
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  5. Electronegativity refers to the tendency of atom to

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  6. The outer shell configuration of the most electronegative element is

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