Question

atomic radius of Be is 100pm the atomic volume of Be is what​

Answer 1

Answer:

The volume V of an atom is given by the expression V=

3

4π

r

3

.

Hence, the percntage change in volume when fluorine atom is converted to fluoride ion is

V

fluorineatom

V

fluorideion

−V

fluorineatom

×100=

3

4π

r

fluorineatom

3

3

4π

r

fluorideion

3

−

3

4π

r

fluorineatom

3

×100=

r

fluorineatom

3

r

fluorideion

3

−r

fluorineatom

3

×100

Substitute values in the above expression.

(72)

3

(136)

3

−(72)

3

×100=5.74×10

2

%.

Hence, the percentage increase is 6%.

Answer 2

Explanation:

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