Question

select the odd one out, giving reason:

1. Electron, Proton, Neutron, Nucleus, Compound.
2. Nitrogen, Oxygen, Fluorine, Bromine, Ozone.
3. Sodium, Potassium, Lithium, Aluminium, Rubidium.
4. Fuorine, Chlorine, Bromine, Iodine, Oxide.

Answer 1

1) Compound is odd one out because all others are part of an atom and compound is bond of two or more elements.
2)ozone is odd one out because all others are bi molecular like N2, O2, Br2 etc. but ozone is tri molecular O3
3) Aluminium is odd one out because aluminium is a part of first A group and it's valency is different from other.
4) Oxide is odd one out because it is compound but all others are gases.

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Answer 2

Answer:

compound

ozone

aluminium

oxide

Explanation:

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