Atomic Structure Practice Test Quiz
6 Questions
| Attempts: 417
Questions and Answers
- 1.(a) Which of the following particles is the smallest?
- A.
Protons
- B.
Electrons
- C.
Neutrons
- D.
All of the above are the same size.
- 2.(b) How many protons, electrons, and neutrons are in an average, neutrally-charged atom of Hydrogen?
- A.
1 proton, 1 electron, 1 neutron
- B.
1 proton, 0 electrons, 1 neutron
- C.
1 proton, 1 electron, 0 neutrons
- D.
1 proton, 2 electrons, 1 neutron
- 3.(c) Which of the following elements has chemical and physical properties that are most similar to Magnesium?
- A.
Calcium
- B.
Sodium
- C.
Aluminum
- D.
Both Sodium and Aluminum
- 4.(d) To which of the following families does Iodine belong?
- A.
Metalloids
- B.
Transition Metals
- C.
Noble Gases
- D.
Halogens
- 5.(e) How many neutrons are in an atom of C-14?
- A.
6
- B.
12
- C.
8
- D.
14
- 6.(f) Oxygen's average atomic mass on the periodic table is 15.999 amu. This means that the most abundant isotope of Oxygen is most likely...
- A.
O-14
- B.
O-15
- C.
O-16
- D.
O-8
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