Question

16]
i. The change of a solid into liquid is called melting or___
ii. The_____ of an atom is very hard & dense.
iii. The reaction in which heat is evolved is called ____
iv. The state of matter is decided on the basis of intermolecular space and ______ between
the particles of matter,
v. The outermost shell of an atom is called_____
vi. an _____ is also known as the extra-nuclear part of an atom.
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Answer 1

Answer:

1)

2) nucleus

3) exothermic reaction

4)

5) valence shell

6) an atomic

Explanation:

i don't know 1 and 4th hope this will help you