Question

У якій групі періодичної системи міститься найбільше хімічних елементів? Назвіть їх кількість.​

Answer 1

Первая группа, 7 элементов

Answer 2

The Group with the Most Chemical Elements in the Periodic Table

The group with the most chemical elements in the periodic table is Group 1, also known as the alkali metals. This group consists of elements such as hydrogen (H), lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr).

Please note that the exact number of elements in Group 1 may vary depending on the version of the periodic table being used. In most versions, Group 1 contains 7 elements.