Atomic structure

EasyMedium
12345678910111213141516171819202122
Question 20
Medium80%

An ion of an isotope of element X X\,X has a charge of 2+2+2+.

In this ion:

  • there are 1.25 times as many neutrons as protons
  • the ratio of the number of neutrons to the number of electrons is 1.5:1 1.5 : 1\,1.5:1

What is the identity of this isotope of XXX?

25Mg^{25}\text{Mg}25Mg

27Mg^{27}\text{Mg}27Mg

27Al^{27}\text{Al}27Al

30Mg^{30}\text{Mg}30Mg

Atomic structure Questions

  1. A Level
  2. /Chemistry
  3. /Atomic structure