Предмет: Химия, автор: vikakas73

ПОМОГИТЕ ПОЖАЛУЙСТА СРОЧНО НУЖНО!Укажіть елемент із будовою зовнішнього енергетичного рівня ...3s23p3​

Jedinaputiispravleni: а можешь сказать точно есть ли там 23р может 3р правильно и что там означает 2тв конце d или f? если дашь точно то я сделаю
vikakas73: 3s²3p³
Jedinaputiispravleni: Аааа
Jedinaputiispravleni: ну тогда фосфор
vikakas73: спасибочки

Ответы

Автор ответа: psyhologist2
1

Ответ:

Фосфор

Объяснение:

Надеюсь помогла)

Jedinaputiispravleni: Єто не правильно мне кажеться
psyhologist2: правильно, 1s²2s²2p⁶3s²3p³ это 2+2+6+2+3=15 порядковый номер Фосфора
vikakas73: спасибо ещё раз)
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