Question

ITERMEDIATE LEVEL
(i) A nitrogen atom has an atomic radius of
a picometres (pm), wherea=70 and 1 pm=10-12 m.
Express this radius in metres. Give your answer
in standard form.
(ii) An oxygen atom has an atomic radius of
b nanometres (nm), where b = 0.074 and
1 nm = 10-9 m. Express this radius in metres.
Give your answer in standard form.
(iii) Express a : b as a ratio of two integers in its
simplest form.​

Answer 1

Explanation:

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