Предмет: Химия, автор: nurbaiolzhas

s.p.d.f -это какие элементы?

Ответы

Автор ответа: mrvladimir2
0

Ответ:

Объяснение:

К семейству s-элементам относят элементы главных подгрупп 1 и 2 групп, это щелочные и щелочно-земельные металлы. У этих элементов на внешнем энергетическом уровне находятся от 1 до 2 электронов, а предыдущие энергетические уровни полностью заполнены.

К семейству р-элементов относят элементы главных подгрупп 3,4,5,6,7,8 групп. Начиная с 3 группы главных подгрупп заполняются р-орбитали, которые вмещают 6 электронов.

К семейству d-элементам относят элементы побочных подгрупп начиная с 4 периода. У этих элементов электроны заполняют d-орбитали предвнешнего уровня. Емкость d-орбиталей - 10 электронов.

К семейству f-элементам относят лантаноиды и актиноиды. У лантаноидов заполняется 4-f подуровень и 5-d подуровень, у актиноидов  5-f подуровень и 6-d подуровень. Емкость f-орбиталей - 14 электронов.

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