
认识化合价
Authored by 潘嘉寧 潘嘉寧
Chemistry
3rd Grade
Used 74+ times

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16 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
哪个是铜离子(可多选)
Cu+
Cu-
Cu2+
Cu2-
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
哪个是铁离子(可多选)
Fe2+
Fe3+
Fe+
Fe-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项错误?
H+
K+
Na+
F+
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪个错误?
Ba2+
Zn2+
Ag2+
Mg2+
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氯 (Cl) 是第17族的,下列哪个不正确?
Cl-
Cl+
Cl+5
Cl+7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NO3中,N的化合价是
-3
+5
+7
+1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
铝离子是
Al+
Al2+
Al3+
Al4+
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