Question

(a) What are poly atomic ions? Give one example. (b) How would you differentiate between a molecule of element and a molecule of compound?Give one example of each type.​

Answer 1

Answer:

I don't know please forgive me I will help you next time

Answer 2

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Polyatomic ions are ions which consist of more than one atom. For example, nitrate ion, NO3-, contains one nitrogen atom and three oxygen atoms. The atoms in a polyatomic ion are usually covalently bonded to one another, and therefore stay together as a single, charged unit.

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The only difference between a molecule of a compound and a molecule of an element is that in a molecule of an element, all the atoms are the same. For example, in a molecule of water (a compound), there is one oxygen atom and two hydrogen atoms. But in a molecule of oxygen (an element), both of the atoms are oxygen.

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