Question

1. Fill in the blanks :
(a) Dalton said that.................... could not be divided.
(b) An ion which has a positive charge is called a................
(c) The outermost shell of an atom is known as..................
(d) The ............... of an atom is very hard and dense.
(e) Neutrons are....................
particles having mass
equal to that of protons.
(f)Isotopes are the atoms of ............... element having the....................atomic number but mass number.​

Answer 1

Answer:

1. Atoms

2.Anion

3. Valency shell

4. Nucleus

5. Neutral

6. an, same

Explanation:

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Answer 2

Answer:

1. atoms
2. anion
3. valency shell
4. nucleus
5. neutral
6. same,same