Question

1. radius of an atom aproximiately.

a) 10-15m
b)10-12m
c) 10-10m
d) 10-18m​

Answer 1

An atom has a central nucleus . This is surrounded by electrons arranged in shells. The nucleus is tiny compared to the atom as a whole: the radius of an atom is about 0.1 nm

${1 \times 10}^{ - 10} m$

Answer 2

c) is the correct answer.

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