化学quizizz

化学quizizz

9th Grade

30 Qs

quiz-placeholder

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化学quizizz

化学quizizz

Assessment

Quiz

Chemistry

9th Grade

Medium

Created by

Alice Zhou

Used 8+ times

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30 questions

Show all answers

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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