Question

Q.1). one word answer:-

1). The basic unit of matter not capable of independent existence.
2). the smallest particle of a substance - capable of independent existence & which retains the characteristics of the substance.
3). An elementary particle of matter - of a group of atoms of different elements behaving as a single unit with charge on the group.
4). Imaginary path around the nucleus of an atom in which electrons revolve.
5). The term for the combining capacity of an element or the number of hydrogen atoms with which it combines or replaces.

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Answer 1

Answer:

1➜atom

2➜Molecule

3➜Radicals/Ion

4➜Orbit/Energy Shell

5➜Valency

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