Answer:
<h2>0.36 moles</h2>
Explanation:
To find the number of moles in a substance given it's number of entities we use the formula

where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have

We have the final answer as
<h3>0.36 moles</h3>
Hope this helps you
Na is a metal
N is a nonmetal
thus, they form an ionic bond, where electrons are transferred from the metal, to the nonmetal
Well if too much weathering occurs, it might break off parts of the cliff and be dangerous to humans, or animals.
This is more to do with Bioaccumulation of mercury, where the mercury is absorbed into the issue of animals, and so animals higher in the food chain consume a lot of tissue matter hence increasing mercury content in their system.