A helium nucleus (also called as α particle) consists of two protons – InterviewSolution

1.	A helium nucleus (also called as α particle) consists of two protons and two neutrons. For a singly ionized helium atom He+, the electron's speed in the second orbit (n=2) is___×106 m/s.
Answer» A helium nucleus (also called as $α$ particle) consists of two protons and two neutrons. For a singly ionized helium atom $H e^{+},$ the electron's speed in the second orbit (n=2) is___ $\times 10^{6} m / s .$

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