
原子量分子量式量
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
恒 川田
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
原子の相対質量の基準となる原子は
質量数1の水素原子
質量数12の炭素原子
質量数16の酸素原子
質量数12の酸素原子
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
質量数16の酸素原子の相対質量はどのくらい
約12
約16
約24
約32
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
原子量はどうやって求める
同位体の相対質量と存在比から平均を求める
同素体の相対質量と存在比から平均を求める
原子の質量を質量数12の炭素原子で割る
同位体の相対質量を質量数12の炭素原子で割り平均を求める
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10B:11B=1:4のとき、Bの原子量は?
10.6
10.2
10.5
10.8
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
次の物質のうち、式量で表すものを選べ
CO2
SiO2
HCl
I2
Answer explanation
SiO2は共有結合結晶(たくさんつながっている)なので式量となる。他は分子なので、分子量となる。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2O2の分子量は?
(H=1、O=16)
18
32
34
36
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NH4+の式量は?
(H=1、N=14)
16
17
18
19
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