<span>Gamma rays, X-rays, and UV radiation is reflected by the ozone layer.</span>
They have low boiling points
Answer:
Approx. 20 moles of iron.
Explanation:
There are approx. 6.022 x 10.23 iron atoms per mole of iron. In this quantity, The number of iron atoms has a mass of
55.85 ⋅ g.
Mostly the electrons will determine the reactivity