Define :1. An Atom2. Atomic number3. Mass number4. Atomic weight

1.	Define :1. An Atom2. Atomic number3. Mass number4. Atomic weight
Answer» 1. An Atom: Smallest particle of an element that can exist and have properties of an element. 2. Atomic number : Number of protons present in the nucleus of an atom. 3. Mass number: Number of protons and neutrons present in the nucleus of an atom. 4. Atomic weight: It is the ratio that tells how many times an atom of an element is heavier than an atom of Hydrogen.

Answer»

1. An Atom: Smallest particle of an element that can exist and have properties of an element.

2. Atomic number : Number of protons present in the nucleus of an atom.

3. Mass number: Number of protons and neutrons present in the nucleus of an atom.

4. Atomic weight: It is the ratio that tells how many times an atom of an element is heavier than an atom of Hydrogen.

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