What element has an Atomic No of 1?
Periodic Table

Quiz
•
Science
•
5th - 7th Grade
•
Medium
Dragon Knight
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13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hydrogen
Helium
Oxygen
Carbon
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the symbol of Hydrogen?
H
He
Au
O
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the Atomic No of Oxygen?
8
10
23
12
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What element has a symbol of Cr
Argon
Chromium
Bromine
Sulfur
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What element has an Atomic Weight of 79.904
Gold
Iron
Oxygen
Bromine
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What element has a symbol of Lu
Ytterbium
Iodine
Antimony
Lutetium
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which two elements have an Atomic No. of 53 and 54
Iodine
Oxygen
Xenon
Erbium
Thulium
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