Q2 of 17 Page 122

Who discovered the neutron?

James Chadwick in 1932 discovered the neutrons.

Neutron is a neutral particle found in the nucleus of an atom and is represented by symbol n.


More from this chapter

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1

Size of the nucleus of an atom is ______ as compared to the size of the atom.

 3

What is the number of valence electrons in the chlorine atom?

 4

Identify the pair of isotopes from the following:

168X, 167X, 178X,

 5

There are 15 protons and 16 neutrons in the nucleus of an element. Calculate its atomic number and mass number.