Atoms The Nucleus Worksheet Page 2
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3Name:
Period:
Date:
Charge = _____________
•
mass = _____________
•
Location = _____________
•
How do we know how many neutrons there are in
a single atom of an element?
First: With your partner determine the number of
protons (atomic#) = _____
Second: Look at the atomic mass of your element and
round it to the nearest whole number = _____
Protons (atomic#) + Neutrons = The atomic mass of an
atom – all calculable mass is contained in the nucleus!
OR
________ _______ - _______ ________ = ________
Third: How many neutrons does iron have? ________
Summary:
Answer the journal questions from the PPT in your science journal. Write
using complete sentences!
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