MCQ On Elements And Atomic Structure! Trivia Quiz
10 Questions
| Total Attempts: 206
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Questions and Answers
- 1.Atomic number is ______________
- A.
Proton number
- B.
Mass number
- C.
Subscript
- D.
Electron number
- E.
None of the above
- 2.You learn that an element has a mass number of 12. What element is it?
- A.
Hydrogen
- B.
Magnesium
- C.
Carbon
- D.
Oxygen
- E.
Cannot be determined
- 3.All of the following are found in the nucleus EXCEPT ______.
- A.
Protons
- B.
Neutrons
- C.
Electrons
- D.
Attomic number
- E.
A and B
- 4.The volume of an atom consists mostly of ______, and the mass of an atom is accounted for mostly by ______.
- A.
Protons and neutrons; empty space
- B.
Empty space; protons and neutrons
- C.
Protons and neutrons; electrons
- D.
Empty space; electrons
- E.
None of the above
- 5.The atomic mass of an element is a whole number.
- A.
True
- B.
False
- 6.Isotopes have the same atomic numbers, but different mass numbers.
- A.
True
- B.
False
- 7.The nucleus of an atom takes up most of its volume and accounts for most of its mass.
- A.
True
- B.
False
- 8.Isotopes are represented by the mass number written as a superscript and atomic number as a subscript written next to the element's chemical symbol.
- A.
True
- B.
False
- 9.The number of neutrons in an atom can be calculated by subtracting the atomic number from the mass number.
- A.
True
- B.
False
- 10.Isotopes have the same number of protons and neutrons but differ in their number of electrons.
- A.
True
- B.
False
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