All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

All the atoms of the world comprise of electrons, proton & neutron exc

1.	All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.
A.	deuterium
B.	hydrogen
C.	neon
D.	helium
Answer» C. neon

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All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

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