The atomic radii of F and Ne in mathring{A} u | vedclass

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Question

(A) The atomic radius generally decreases across a period from left to right due to an increase in effective nuclear charge. $F$ (Fluorine) is a halog

Vedclass · Accepted Answer

$0.72, 1.60$

Vedclass · Answer

(A) The atomic radius generally decreases across a period from left to right due to an increase in effective nuclear charge. $F$ (Fluorine) is a halogen with atomic number $9$,and $Ne$ (Neon) is a noble gas with atomic number $10$. For noble gases,the atomic radius is defined as the van der Waals radius,which is significantly larger than the covalent radius of other elements in the same period. The covalent radius of $F$ is approximately $0.72 \ \mathring{A}$. The van der Waals radius of $Ne$ is approximately $1.60 \ \mathring{A}$. Therefore,the values are $0.72 \ \mathring{A}$ and $1.60 \ \mathring{A}$ respectively.

The atomic radii of $F$ and $Ne$ in $\mathring{A}$ units are respectively .......

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