化学quizizz
Quiz
•
Chemistry
•
9th Grade
•
Medium
Alice Zhou
Used 8+ times
FREE Resource
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30 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
氮气的化学式为:
O2
H2
N2
Cl2
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
氨气的化学式为:
CO2
H2O
NH3
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
铁的元素符号为:
Cu
Ag
Zn
Fe
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
在化合物中,化合价一般为+2价的元素为:
Ca
Na
Ag
Li
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
硫的元素符号为:
C
Cu
K
S
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
一般在膨化食品袋中用作保护气体的为:
O2
H2
N2
Cl2
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
NH4离子团的化合价通常是:
-1
+2
+1
-2
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