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what is an atom and which is the lightest atom

Ashia 30th Oct, 2019

Answer (1)

Devraj Student Expert 30th Oct, 2019

Hii

The atom is the smallest particles of chemical element that can exist. The atom is the smallest part. It consists of neutron, electron and proton.

The lightest element is hydrogen , it has amotic mass equal to 1. It has one neutron in nucleus and only one electron.

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