Helium has two electrons in the 1s orbital. When it becomes singly ionized, forming He+,

(A) its spectrum resembles that of the hydrogen spectrum.

(B) the remaining electron is easier to remove.

(C) the nuclear charge has decreased by one.

(D) it has lost one atomic mass unit.

Question

Bella Mccoy

Chemistry

17 August, 04:55

Helium has two electrons in the 1s orbital. When it becomes singly ionized, forming He+,

(A) its spectrum resembles that of the hydrogen spectrum.

(B) the remaining electron is easier to remove.

(C) the nuclear charge has decreased by one.

(D) it has lost one atomic mass unit.

+4

Answers (2)

Know the Answer?

Danielle Galvan · Answer 1

Danielle Galvan 17 August, 04:57

0

that of the hydrogen spectrum.

Cory Bright · Answer 2

(A) its spectrum resembles that of the hydrogen spectrum

Explanation:

Hydrogen has only one electron in it's outermost shell. Its spectrum shows only one electron transition. If the spectrum of He + is measured, it will closely resemble that of hydrogen since it is also a one electron specie. The electron also occupying a 1s orbital as in hydrogen.

Helium has two electrons in the 1s orbital. When it becomes singly ionized, forming He+,(A) its spectrum resembles that of the hydrogen spectrum.(B) the remaining electron is easier to remove.(C) the nuclear charge has decreased by one.(D) it has lost one atomic mass unit.

Helium has two electrons in the 1s orbital. When it becomes singly ionized, forming He+,

(A) its spectrum resembles that of the hydrogen spectrum.

(B) the remaining electron is easier to remove.

(C) the nuclear charge has decreased by one.

(D) it has lost one atomic mass unit.