化合价
Authored by Nani?!!! !
Chemistry
8th Grade
Used 7+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氢
+1
+2
-1
-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氦
-5
0
+1
-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
硼
-2
+4
+3
+1
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
碳
-4
+1
+4
+2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氟
+2
0
+1
-1
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
氮
+5
-3
-4
+2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氩
0
+5
-2
+1
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