化学元素
Authored by 1188 KIE
Science
10th Grade
Used 74+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
氢元素的化学符号是什么？
H
OH
h
H2
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
化学符号Na是什么元素？
钠
镁
氖
氮
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
化学符号Mg是什么元素？
钙
镁
氖
氮
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
氦元素的化学符号是什么？
He
OH
H
Hai
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
原子序数为18是什么元素？
氬
氖
氧
氟
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
氟元素的化学符号是什么？
F
O
H
N
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
化学符号O是什么元素？
钙
氧
氖
氮
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