For which one of the following,is the Bohr mo | vedclass

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(A) The Bohr model is strictly applicable only to hydrogen-like species,which are atoms or ions containing exactly one electron. $1$. Hydrogen atom $(

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Singly ionized neon atom $(Ne^+)$

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(A) The Bohr model is strictly applicable only to hydrogen-like species,which are atoms or ions containing exactly one electron. $1$. Hydrogen atom $(H)$ has $1$ electron. $2$. Singly ionized helium atom $(He^+)$ has $2 - 1 = 1$ electron. $3$. Deuteron atom (an isotope of hydrogen) has $1$ electron. $4$. Singly ionized neon atom $(Ne^+)$ has $10 - 1 = 9$ electrons. Since $Ne^+$ has more than one electron,the Bohr model is not valid for it.

For which one of the following,is the Bohr model not valid?

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