Предмет: Химия, автор: gdfsf

Объясните какой заряд ядра имеют:
а) p- элемент IV периода, у которого строение внешнего уровня
${4s}^{2} {4p}^{2}$
б) d- элемент V периода, у которого строение внешнего уровня
${4d}^{2} \: {5s}^{2}$

Составьте полные электронные формулы этих элементов.

Ответы

Автор ответа: Valery0210

Ответ:

а) Se +34 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2

б) Zr +40 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d2

Объяснение:

gdfsf: в первом не Se +34 а Ge +32

gdfsf: и спасибо большое всё верно

gdfsf: Valery0210 помоги с химией пожалуйста 1 задание

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