Periodic Table MCQ Quiz Questions And Answers
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Take our Periodic table MCQ quiz to test your knowledge of the elements and their positions respective to each other. This quiz is made up of 22 multiple choice questions and 1 fill-in-the-blank question. All questions are related to the periodic table and are designed in a way so as to allow us to calculate your final result based on your selected answers. Don't forget to share this quiz with your friends!
Looking to test your knowledge of atomic numbers within the periodic table? Check out our quiz on the Atomic Numbers of the First 20 Elements in the Periodic Table Quiz for an in-depth exploration of these fundamental elements.
Periodic Table Questions and Answers
- 1.
How many element groups are there?
- A.
7
- B.
11
- C.
16
- D.
18
- E.
26
Correct Answer
D. 18Explanation
The elements in the periodic table are organized into groups based on their similar chemical properties and electronic configurations. The number of element groups is determined by the columns in the periodic table. Each column represents a group, and the elements within a group share similar characteristics. There are 18 columns or groups in the periodic table labeled from 1 to 18. The elements in the same group have the same number of electrons in their outermost electron shell, which contributes to their similar chemical behavior. The division into groups helps in understanding and predicting the chemical behavior of elements. So, when the question mentions "element groups," it is referring to these 18 columns in the periodic table.Rate this question:
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- 2.
Who is the creator of the periodic table?
- A.
Dimitri Mendeleev
- B.
Henry Moseley
Correct Answer
A. Dimitri MendeleevExplanation
Dimitri Mendeleev is credited as the creator of the periodic table. He was a Russian chemist who organized the elements based on their atomic weight and properties. Mendeleev's periodic table arranged the elements in rows and columns, leaving gaps for undiscovered elements and predicting their properties. His work laid the foundation for the modern periodic table that we use today.Rate this question:
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- 3.
_______________discovered the number of protons in the nucleus of each atom.
Correct Answer
Henry Moseley, MoseleyExplanation
Henry Moseley discovered the number of protons in the nucleus of each atom. This discovery was made through his experiments with X-ray spectroscopy. Moseley observed that the X-ray spectra of different elements shifted in a predictable manner when subjected to an electric field. He realized that this shift was directly related to the atomic number of the element, which is the same as the number of protons in the nucleus. Moseley's work led to the concept of atomic numbers and the organization of the periodic table based on these numbers.Rate this question:
- 4.
The symbol Au stands for what element?
- A.
Gold
- B.
Silver
- C.
Copper
- D.
Tin
Correct Answer
A. GoldExplanation
The symbol Au represents the element gold in the periodic table. Chemical elements are often represented by one or two-letter symbols, and in this case, Au is derived from the Latin word "aurum," which means gold. Each element has a unique symbol to simplify communication in the field of chemistry. Therefore, when you see the symbol Au, it specifically refers to the metallic element gold with its distinct properties and characteristics.Rate this question:
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- 5.
What is the atomic number for helium?
- A.
1
- B.
2
- C.
4
- D.
8
Correct Answer
B. 2Explanation
The atomic number represents the number of protons in the nucleus of an atom. In the case of helium, it has an atomic number of 2, indicating that it has 2 protons.Rate this question:
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- 6.
What is the symbol for tin?
- A.
Sn
- B.
Se
- C.
Sg
- D.
Sr
Correct Answer
A. SnExplanation
The symbol Sn represents the element tin in the periodic table. Chemical symbols are standardized abbreviations used to represent elements, and they are often derived from the element's name in English, Latin, or another language. In the case of tin, the symbol Sn is based on the Latin word "stannum." So, whenever you see the symbol Sn, it specifically denotes the element tin with its unique properties and characteristics.Rate this question:
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- 7.
What is the atomic number for the element tantalum?
- A.
22
- B.
81
- C.
52
- D.
73
Correct Answer
D. 73Explanation
The atomic number of an element represents the number of protons in the nucleus of an atom. In this case, the element is tantalum, and its atomic number is 73.Rate this question:
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- 8.
What is the symbol for Argon?
- A.
A
- B.
An
- C.
Ag
- D.
Ar
Correct Answer
D. ArExplanation
The correct symbol for Argon is Ar. Argon is a chemical element with the atomic number 18 and is a noble gas. Its symbol "Ar" is derived from the first two letters of its name. Argon is colorless, odorless, and tasteless, making it a commonly used gas for various applications, such as filling light bulbs and as a shielding gas in welding.Rate this question:
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- 9.
What is the atomic number for beryllium?
- A.
83
- B.
4
- C.
35
- D.
5
Correct Answer
B. 4Explanation
Beryllium is a chemical element with the symbol Be and atomic number 4. The atomic number represents the number of protons in the nucleus of an atom. Since beryllium has an atomic number of 4, it means that it has 4 protons. Therefore, the correct answer is 4.Rate this question:
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- 10.
The element germanium is in what element group?
- A.
Basic Metal
- B.
Non-Metal
- C.
Rare Earth
- D.
Semi-Metal
Correct Answer
D. Semi-MetalExplanation
Germanium is classified as a semi-metal because it possesses properties of both metals and non-metals. It has a metallic luster and conducts electricity like a metal, but it is also brittle and behaves as a non-metal in certain chemical reactions. Therefore, it falls into the category of semi-metals or metalloids, which are elements that exhibit intermediate characteristics between metals and non-metals.Rate this question:
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- 11.
The element Rubidium is in what element group?
- A.
Alkaline earth
- B.
Basic metal
- C.
Alkali metal
- D.
Transition metal
Correct Answer
C. Alkali metalExplanation
Rubidium belongs to the alkali metal group. Alkali metals are highly reactive and have only one valence electron, making them very reactive and easily losing that electron to form a positive ion. Rubidium, like other alkali metals, exhibits similar properties such as low melting and boiling points, softness, and high reactivity with water and air. Therefore, the correct answer is alkali metal.Rate this question:
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- 12.
What is the atomic number for cesium?
- A.
20
- B.
48
- C.
6
- D.
55
Correct Answer
D. 55Explanation
The atomic number of an element represents the number of protons in the nucleus of its atom. In this case, the correct answer is 55 because cesium (Cs) has an atomic number of 55. This means that a cesium atom contains 55 protons in its nucleus.Rate this question:
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- 13.
What is the symbol for ruthenium?
- A.
Rn
- B.
Ru
- C.
Rh
- D.
Rf
Correct Answer
B. RuExplanation
The symbol "Ru" represents the element ruthenium in the periodic table. Chemical symbols are standardized abbreviations used to uniquely identify elements. In the case of ruthenium, the symbol "Ru" is derived from its name. The use of symbols makes it convenient to write chemical formulas and represent elements in a concise and standardized manner. Therefore, when you see the symbol Ru, you can specifically identify it as the element ruthenium, which has distinct properties and characteristics.Rate this question:
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- 14.
What is the symbol for manganese?
- A.
Mo
- B.
Mg
- C.
Mt
- D.
Mn
Correct Answer
D. MnExplanation
The symbol Mn represents the element manganese in the periodic table. Chemical symbols are standardized abbreviations used to uniquely identify elements. In the case of manganese, the symbol Mn is derived from its name. The use of symbols makes it convenient to write chemical formulas and represent elements in a concise and standardized manner. Therefore, when you see the symbol Mn, you can specifically identify it as the element manganese, which has distinct properties and characteristics.Rate this question:
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- 15.
What is the symbol for phosphorus?
- A.
Po
- B.
P
- C.
Pb
- D.
Pu
Correct Answer
B. PExplanation
The symbol "P" represents the element phosphorus in the periodic table. Chemical symbols are standardized abbreviations used to uniquely identify elements. In the case of phosphorus, the symbol "P" is derived from its name. Using symbols makes it easy to write chemical formulas and represent elements in a concise and standardized manner. Therefore, when you see the symbol P, you can specifically identify it as the element phosphorus, which has distinct properties and characteristics.Rate this question:
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- 16.
The symbol Fe stands for which element?
- A.
Francium
- B.
Fluorine
- C.
Iodine
- D.
Iron
Correct Answer
D. IronExplanation
The symbol Fe is used to represent the element Iron in the periodic table.Rate this question:
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- 17.
The element neon is from what group?
- A.
Halogen
- B.
Rare Earth
- C.
Noble Gas
- D.
Non-Metal
Correct Answer
C. Noble GasExplanation
Neon belongs to the noble gas group because it possesses a full outer electron shell, making it stable and unreactive. Noble gases are known for their low reactivity and high stability due to their full valence electron shells. Neon, along with other noble gases like helium, argon, krypton, xenon, and radon, does not readily form compounds with other elements.Rate this question:
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- 18.
What is the atomic weight of copper?
- A.
58.9332
- B.
63.557
- C.
51.9961
- D.
40.078
Correct Answer
B. 63.557Explanation
The atomic weight of copper is 63.557. This value represents the average mass of an atom of copper, taking into account the different isotopes and their abundance. The atomic weight is calculated by multiplying the atomic mass of each isotope by its relative abundance and summing up these values.Rate this question:
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- 19.
What is the atomic mass for Nitrogen?
- A.
14
- B.
22
- C.
7
- D.
28
Correct Answer
A. 14Explanation
The atomic mass for Nitrogen is 14. This is because the atomic mass of an element is the weighted average mass of all its isotopes, taking into account the abundance of each isotope. Nitrogen has two main isotopes: Nitrogen-14 and Nitrogen-15. Nitrogen-14 is the most abundant isotope, making up about 99.6% of natural nitrogen. Nitrogen-15 is less abundant. By calculating the weighted average of these isotopes, we arrive at an atomic mass of 14 for Nitrogen.Rate this question:
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- 20.
What is the atomic number for Nitrogen?
- A.
3
- B.
14
- C.
7
- D.
22
Correct Answer
C. 7Explanation
The atomic number of an element represents the number of protons in the nucleus of an atom. In the case of Nitrogen, the atomic number is 7, which means that a nitrogen atom has 7 protons. This number is unique to nitrogen and helps to identify and classify the element.Rate this question:
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- 21.
Which element is the most abundant element in the universe?
- A.
Oxygen
- B.
Silicon
- C.
Hydrogen
- D.
Helium
Correct Answer
C. HydrogenExplanation
Hydrogen is the most abundant element in the universe because it is the primary constituent of stars and makes up about 75% of the elemental mass in the universe. It is also a key component of water and many organic compounds, making it essential for life as we know it.Rate this question:
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- 22.
Hydrogen-1 has 1 proton, 1 electron, and 0 neutrons.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
True. Hydrogen-1, also known as protium, consists of one proton and one electron in its nucleus and electron cloud, respectively. It typically does not have any neutrons, although rare isotopes of hydrogen with one neutron do exist.Rate this question:
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Feb 26, 2024Quiz Edited by
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Oct 24, 2016Quiz Created by
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