Atomic Masses and Isotope Data Quiz
Nuclear physics can also be fun! Tickle your brain cells by taking this atomic masses and isotope quiz. If not for the love of physics, try it out just for fun. Many interesting facts are associated with an atom; here, you will find out some. So what are you waiting for? Let's find out how much you can recall from your physics classes during your school days. Take this quiz now!
- 1.
Isotopes are atoms of the same element with _________ .
- A.
Different atomic numbers
- B.
Different atomic masses
- C.
Different number of protons
- D.
All of the above
Correct Answer
B. Different atomic massesExplanation
Isotopes are atoms of the same element with different atomic masses. Isotopes have the same number of protons and electrons, but they differ in the number of neutrons in their nucleus. This difference in the number of neutrons leads to variations in the atomic mass of isotopes. Therefore, the correct answer is different atomic masses.Rate this question:
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- 2.
An atom has 6 protons and 8 neutrons. What is its atomic mass?
- A.
6
- B.
8
- C.
14
- D.
Cannot be deduced from the data provided
Correct Answer
C. 14Explanation
The atomic mass of an atom is determined by the sum of its protons and neutrons. In this case, the atom has 6 protons and 8 neutrons, so the atomic mass is 6 + 8 = 14.Rate this question:
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- 3.
Isotopes of an element have _________ .
- A.
Same chemical properties but different physical properties
- B.
Same chemical properties and same physical properties
- C.
Different chemical properties but same physical properties
- D.
Different chemical properties and different physical properties
Correct Answer
A. Same chemical properties but different pHysical propertiesExplanation
Isotopes of an element have the same number of protons, which determines their chemical properties. However, they have a different number of neutrons, which affects their physical properties such as mass and stability. Therefore, isotopes of an element have the same chemical properties but different physical properties.Rate this question:
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- 4.
Which of the following statement(s) is/are correct?
- A.
Different atoms of a given element have the same number of protons
- B.
Number of neutrons for a given element can vary
- C.
Some isotopes are unstable
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The given answer, "All of the above," is correct because it accurately reflects the statements provided. The first statement states that different atoms of a given element have the same number of protons, which is true as the number of protons defines the element. The second statement mentions that the number of neutrons for a given element can vary, which is also true as isotopes of an element have different numbers of neutrons. The third statement states that some isotopes are unstable, which is true as certain isotopes undergo radioactive decay.Rate this question:
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- 5.
Isotopes have ______ .
- A.
Equal no. of neutrons
- B.
Equal no. of both neutrons and protons
- C.
Equal no. of protons
- D.
None of the above
Correct Answer
C. Equal no. of protonsExplanation
Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. Therefore, isotopes do not have an equal number of neutrons or an equal number of both neutrons and protons. The correct answer is that isotopes have an equal number of protons.Rate this question:
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- 6.
The atomic number of an atom is equal to the number of which of these following subatomic particles?
- A.
Neutron
- B.
Proton
- C.
Electron
- D.
None of the above
Correct Answer
B. ProtonExplanation
The atomic number of an atom is equal to the number of protons in the nucleus of the atom. Protons are positively charged subatomic particles that determine the element's identity. Neutrons have no charge, electrons have a negative charge, and neither of them contribute to the atomic number. Therefore, the correct answer is proton.Rate this question:
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- 7.
Isotopes that can emit subatomic particles to reach stability are known as _______ .
- A.
Radioisotopes
- B.
Isotones
- C.
Isobars
- D.
Active isotopes
Correct Answer
A. RadioisotopesExplanation
Radioisotopes are isotopes that are unstable and can emit subatomic particles, such as alpha particles, beta particles, or gamma rays, in order to reach a more stable state. These emitted particles are a result of the radioactive decay process, which occurs spontaneously. Radioisotopes are commonly used in various fields, including medicine, industry, and research, for purposes such as medical imaging, cancer treatment, and dating archaeological artifacts. Therefore, the correct answer for this question is "Radioisotopes."Rate this question:
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- 8.
What is the isotope of hydrogen with two neutrons called?
- A.
Deuterium
- B.
Tritium
- C.
Protrium
- D.
Isotrium
Correct Answer
B. TritiumExplanation
Tritium is the isotope of hydrogen with two neutrons. It is a radioactive isotope and has a mass number of 3. Deuterium, on the other hand, is the isotope of hydrogen with one neutron and is stable. Protrium and Isotrium are not valid isotopes of hydrogen and do not exist. Thus, the correct answer is Tritium.Rate this question:
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- 9.
Atomic mass is expressed as a multiple of 1/12th the mass of _________ .
- A.
Carbon-13 atom
- B.
Carbon-14 atom
- C.
Carbon-12 atom
- D.
Any isotope of carbon
Correct Answer
C. Carbon-12 atomExplanation
Atomic mass is expressed as a multiple of 1/12th the mass of Carbon-12 atom. This is because Carbon-12 atom is chosen as the standard for atomic mass calculations. The atomic mass of an element is determined by comparing it to the mass of Carbon-12 atom, which is assigned a mass of exactly 12 atomic mass units (amu). Therefore, all other atomic masses are expressed relative to Carbon-12 atom.Rate this question:
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- 10.
How many naturally occurring isotopes does hydrogen have?
- A.
2
- B.
3
- C.
1
- D.
4
Correct Answer
B. 3Explanation
Hydrogen has three naturally occurring isotopes: protium, deuterium, and tritium. Protium is the most common and does not contain any neutrons, deuterium has one neutron, and tritium has two neutrons. These isotopes have different atomic masses but the same atomic number, which is why they are all considered to be hydrogen.Rate this question:
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Current Version
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Apr 13, 2023Quiz Edited by
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Apr 12, 2023Quiz Created by
Austin Ames
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