Atoms Test
Authored by Tara Wilburn
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
What is the smallest unit of matter that retains the properties of an element?
Molecule
Atom
Electron
Proton
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Which subatomic particle has a negative charge?
Nucleus
Electron
Neutron
Proton
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
What is the central part of an atom called?
Neutron core
Electron cloud
Proton center
Nucleus
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Which subatomic particle has no electrical charge?
Neutron
Electron
Positron
Proton
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
What is the atomic number of an element?
Number of protons
Number of neutrons
Number of electrons
Sum of protons and neutrons
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
How many protons does a neutral atom of carbon have?
14
12
8
6
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
What is the mass number of an atom?
Sum of protons and neutrons
Number of electrons
Number of neutrons
Number of protons
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