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Transcript
Chemistry Worksheet
Ch. 3
Name:__________
Find someone in the class to swap with….You give them an answer and they give one to
you. (Use each classmate only once. ) Have them initial your answer after you write it
down.
1.
What is an ion? ____________________________________________________
_________________________________________________________________ ______
2.
What are isotopes?__________________________________________________
_________________________________________________________________ ______
3.
Describe the Plum Pudding Model of the Atom.___________________________
_______________________________________________________________________
_________________________________________________________________ ______
4.
What did Rutherford conclude from the fact that most alpha particles went
straight through the gold foil?________________________________________________
_________________________________________________________________ ______
5.
Explain which parts of an atom determine the mass and why._________________
________________________________________________________________________
_________________________________________________________________ ______
6.
What is the nucleus of an atom and include its properties.____________________
________________________________________________________________________
_________________________________________________________________ ______
7.
What does the atomic number represent and why is it important?______________
________________________________________________________________________
_________________________________________________________________ ______