Question

which element has no neutron​

Answer 1

hydrogen

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Answer 2

Answer :

Hydrogen has no neutron$.$

Additional Information :

• Hydrogem is the lighest element. It has the simplest electronic configuration, 1s¹.
• Hydrogen resembles both alkali metals (loses one electron to form unipositive ion) and halogens (forms diatomic molecule, hydrides and large number of covalent compounds).

◈ Isotopes of hydrogen :

Protium : It has no neutron.

Deuterium : It has one neutron.

Tritium : It has two neutrons.