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WorksheetsAtomic Structure
Total questions: 15
Worksheet time: 9mins
Which of the following describes the key features of subatomic particles?
Subatomic particles include protons, neutrons, and electrons.
Subatomic particles are indivisible and have no charge.
What particles are found in the nucleus of an atom?
Protons and Electrons
Protons and Neutrons
Which scientist proposed the model of the nucleus with electrons in a circle?
Galileo Galilei
Niels Bohr
What scientist proposed this that describes negative parts float in a positive “soup”.
JJ Thomson
Ernest Rutherford
Elements are made from only one type of atom. True or False?
True
False
Protons are subatomic particles that are located in the ________.
cell membrane
nucleus
What is the relative weight of a neutron?
1
2
Where are electrons located?
Outside the atom
In shells (or energy levels) around the nucleus
What is another name for the shells where electrons are located?
Orbitals
Neutrons
Fill in the blank: The charge of a neutron is ________.
0
-1
What particles have a positive charge?
None
Protons
What particles have a negative charge?
None
Electrons
Match the following
Neutron
Neutral (No Charge)
Proton
Positive
Electron
Negative
