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Chemistry, Science
10th -
11thgrade
Formative Test on the Structure of an Atom
10 questions
Show Answers
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- 1. Multiple Choice
Which of the following is the subatomic particle that is outside the nucleus of an atom?
Electron
Neutron
Proton
Any of the 3 options is correct.
- 2. Multiple Choice
Which 2 subatomic particles constitute the nucleus of an atom?
Electron and neutron
Electron and proton
Proton and neutron
Any of the 3 options is correct.
- 3. Multiple Choice
"Neutron is the neutral subatomic particle of an atom." What does the word 'neutral' mean in this statement?
Option 1: Neutron has a no charge.
Option 2: Neutron has zero charge.
Option 3: Neutron can either be positive or negative
Any of the 3 options is correct.
- 4. Multiple Choice
Which statement is TRUE about the given atomic model?
The atom has equal number of protons, electrons, and neutrons.
The atom is electrically neutral because of its equal number of protons and electrons.
The atom has a stable nucleus due its equal protons and neutrons.
The stable atom is carbon-12.
All options are correct.
- 5. Multiple Choice
Based on the given atomic model, which number below represents the mass of the atom?
6
12
18
24
- 6. Multiple Choice
Which part of the atomic model is useful in finding the PERIOD of the atom in the Periodic Table?
Atomic Number
Main Energy Levels
Mass Number
Nucleus
- 7. Multiple Choice
What would you do to verify the identity of the atom that is shown in the atomic model?
Count the number of electrons. This is always the atomic number of the atom.
Count the number of protons. This is always the atomic number of the atom.
Get the sum of the electrons and the protons. This is always the atomic number of the atom.
Get the sum of the protons and electrons. This is always the atomic number of the atom.
- 8. Multiple Choice
Based on the given chemical symbol for copper (Cu), which number represents its atomic mass?
29
35
63.55
64
- 9. Multiple Choice
Based on the given chemical symbol for copper (Cu), which number represents its atomic number?
29
35
63.55
64
- 10. Multiple Choice
Based on the given chemical symbol for copper (Cu), which number represents its number of neutrons?
29
35
63.55
64
Cannot be determined
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