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- 1. Multiple Choice
Smallest of the 3 subatomic particles
protons
neutrons
electrons
- 2. Multiple Choice
Positively charged; in the nucleus
protons
neutrons
electrons
- 3. Multiple Choice
Has no electric charge
protons
neutrons
electrons
- 4. Multiple Choice
Not found in the nucleus
protons
neutrons
electrons
- 5. Multiple Choice
My atomic number is 3
Magnesium
Carbon
Neon
Beryllium
Lithium
- 6. Multiple Choice
I have 10 Neutrons
Magnesium
Nitrogen-15
Fluorine
Beryllium
Lithium
- 7. Multiple Choice
I have 8 Protons
Oxygen-17
Nitrogen-15
Fluorine-20
Beryllium
Lithium
- 8. Multiple Choice
I have 9 subatomic particles in my nucleus
Oxygen-17
Nitrogen-15
Fluorine-20
Beryllium
Lithium
- 9. Multiple Choice
I have 6 Protons
Oxygen-17
Magnesium
Neon
Carbon
Beryllium
- 10. Multiple Choice
I have 8 Protons
Oxygen
Nitrogen-15
Neon
Carbon
Fluorine-20
- 11. Multiple Choice
I have an average atomic mass of 24 (rounded)
Magnesium
Nitrogen-15
Neon
Carbon
Fluorine-20
- 12. Multiple Choice
I have 10 Electrons (when neutral)
Fluorine-20
Nitrogen-15
Oxygen-17
Carbon
Neon
- 13. Multiple Choice
In the isotope name “Hydrogen-3”, the mass number is 3. What does the mass number tell you about this isotope?
# neutrons only
# protons + # neutrons
# protons + #electrons
# protons only
- 14. Multiple Choice
Isotopes are atoms of the same element with different numbers of ___________________.
neutrons
quarks
electrons
protons
- 15. Multiple Choice
Which subatomic particles are equal in number in a neutral atom?
protons & neutrons
protons, neutrons & electrons are always equal
neutrons and electrons
protons and electrons
- 16. Multiple Choice
The atomic mass on the periodic table is a(n) ___________ of the masses of that element's isotopes.
Approximation
Product
Total
Weighted Average
- 17. Multiple Choice
Which of the following DOES NOT accurately describe the most current atomic theory?
It is known as the electron cloud model
It is known as the Quantum Mechanical Model
It is known as the planetary model
It is more of a mathematical model than a physical model
- 18. Multiple Choice
Which choice below DOES NOT BELONG with the others?
Number of Electrons
Mass number
Atomic number
Number of protons
- 19. Multiple Choice
Which of the following is FALSE regarding electrons?
It is possible to determine the exact location of an electron.
Electrons can change energy levels by absorbing or releasing energy.
The first two energy levels can hold 2, and 8 electrons (in that order)
The valence electrons are the outermost electrons.
- 20. Multiple Choice
In the Bohr model of the atom, what is the maximum number of electrons in the first shell?
1
2
6
8
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