Question

a) Which subatomic particle is absent in an ordinary hydrogen atom?
b) What is the scientific name of particles which make up matter?
c) Name the state of matter in which layers of particles can slip and slide over one another
easily​

Answer 1

Answer:

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Explanation- Neutron, neutral subatomic particle that is a constituent of every atomic nucleus except ordinary hydrogen.

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Answer 2

Answer:

a. Neutron - Neutron, neutral subatomic particle that is a constituent of every atomic nucleus except ordinary hydrogen.

b. Electrons, protons, and neutrons are the particles that make up matter.

c. Layers of particles can slip and slide over each other :

1. Liquid state is the fluid form of matter which can fill the lower part of the container .

2. Particles in liquid have little more inter molecular force than solids. ...

3. Hence,particles in liquid state can vibrate , move about and slide past each other.