初学者化合价
Authored by 黄薇慈NG CHI
Chemistry
6th Grade
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪个是钙离子 常见的化合价
+1
+2
+3
+4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪个是氢离子的常见化合价
-1
+1
+2
+3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪个是氧离子的常见化合价
-2
+1
+2
+3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪个是硫离子的常见化合价
-2
+4
+6
+8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪个是银离子的常见化合价
-1
-2
+1
+2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪个是镁离子的常见化合价
-1
+1
-2
+2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪个是铝离子的常见化合价
+1
+2
+3
-1
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