Question

How many oxygen atoms lined up in a row would fit in a one nanometer scale?
a) None; an oxygen atom is bigger than 1 nm
b) One
c) Seven
d) Seventy

Answer 1

Answer:

none an oxygen atom is bigger than1nm

Answer 2

Answer:

The correct answer of this question is option C, seven.

Explanation:

The atomic radius of an oxygen atom is approximately 0.066 nm.

So the diameter of an oxygen atom is almost = (2×0.066) nm = 0.132 nm.

So there will be approximately = (1÷0.132) = 7 (approx integer value, because atom numbers cannot be expressed in fraction) oxygen atoms in one nanometre scale.

That's why option c is the correct answer of this question.