Masses of Atoms

Quiz
•
Science
•
9th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Oxygen has a mass of 16 and has 8 protons. How many neutrons does oxygen have?
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Calcium has an atomic mass of 40 and an atomic number of 20. How many neutrons does it have?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the 1.00794 stand for?
Hydrogen
atomic number
atomic mass
atomic explosion
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the atomic mass of "F"
9
18
18.99
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the mass number of this nucleus?
1
3
4
7
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the mass number?
the number of protons
the number of protons and neutrons
the number of neutrons
the number of protons and electrons
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two atoms of the same element but with different mass numbers are called________
electrons
isotopes
variables
electron cloud
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