What does the atomic number of an element represent?

Hydrogen Isotopes and Properties

Interactive Video
•
Chemistry
•
6th - 8th Grade
•
Hard

Emma Peterson
FREE Resource
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The total number of electrons and protons
The number of electron shells
The number of protons in the element
The number of neutrons in the element
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element has an atomic number of one?
Helium
Oxygen
Hydrogen
Carbon
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What remains constant in all isotopes of hydrogen?
The number of electron shells
The atomic mass
The number of protons
The number of neutrons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many neutrons does the most common isotope of hydrogen have?
Two
One
Three
Zero
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mass number of hydrogen-3?
One
Two
Four
Three
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is hydrogen-3 still considered hydrogen?
It has two neutrons
It has one proton
It has three electrons
It has a mass number of three
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