IOM 2020, Блиц — Задача 72
The Blitz-contest of IOM-2020
Условие
The number of -electrons in a triply charged ion of a -metal is half of the number of -electrons in an atom of the same metal (both particles are in their ground state). Determine the metal and write down its atomic number.
Отговори
- 22
Решение
Внимание: Непълно решение
The source contains only the answer key, no worked solution.
Answer: 22
Оригинал в Архива: iom-2020-blitz-tasks.pdf · официални решения: iom-2020-blitz-answers.pdf