Предмет: Химия, автор: Regven

Определи правильность утверждений:

1. Водород относится к щелочным металлам.
Неверно
Верно

2. Газообразный водород состоит из одноатомных молекул.
Неверно
Верно

Укажи формулы соединений, в которых водород проявляет степень окисления –1 :
C2H6
Si4H10
LiH
HI

Водород и галогены объединяет:
масса атома
степень окисления +1
число электронов, недостающих до завершения внешнего электронного слоя

Водород может реагировать со всеми веществами ряда:
CuS,Cl2,Fe
O2,P,Si
He,Mg,Al
N2,Cl2,O2

Отметь ряд веществ, которые используются для получения водорода в промышленности:
Fe,H2SO4
H2SO4,Zn(OH)2
CH4,FeO
H2O,C

Ответы

Автор ответа: usadalex

Неверно

LiH

Степень окисления

N2, Cl2, O2

H2O, C

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