Name the three subatomic particles of an atom.
Q. (a) Name the three subatomic particles of an atom.
(b) An atom of an element has 5 electrons in L shell.
(i) What is the atomic number of the element ?
(ii) State its valency.
(iii) Identify the element and write its name.
Ans. (a) Electrons, protons and neutrons.
(b)
(i) 7
(ii) 3 (-3)
(iii) Nitrogen
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