Chemisrty Periodic Table Unit Quiz
The study of elements and atoms can best be defined by a periodic table as it shows the atomic size and mass of various elements. For you to properly understand what we discuss concerning the table you must know why elements are arranged in a particular way. Test yourself by taking this test!
Questions and Answers
- 1.
How do you find the amount of valence electrons an element has?
- 2.
The vertical colums on the periodic table are called
- A.
Periods
- B.
Groups
Correct Answer(s)
A. Periods
B. GroupsExplanation
The vertical columns on the periodic table are called periods and groups. Periods are the rows of elements that represent the number of electron shells in an atom, while groups are the columns that represent elements with similar chemical properties and the same number of valence electrons. Therefore, both terms are correct in describing the vertical columns on the periodic table.Rate this question:
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- 3.
The horizontal rows on the periodic table are called
- A.
Groups
- B.
Periods
Correct Answer
B. PeriodsExplanation
The horizontal rows on the periodic table are called "periods." Each period represents a different energy level or shell in which the elements' electrons are arranged. The number of elements in each period increases as you move down the table, indicating the filling of higher energy levels. This organization helps to categorize elements based on their electronic configurations and allows us to observe trends in properties as we move across a period.Rate this question:
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- 4.
Most of the elements in the periodic table are called
- A.
Metalloids
- B.
Noble Gases
- C.
Transition metals
- D.
Alkali Metals
Correct Answer
C. Transition metalsExplanation
Transition metals are the correct answer because they are a group of elements located in the d-block of the periodic table. They are characterized by their ability to form stable ions with various oxidation states and exhibit metallic properties such as high melting and boiling points, conductivity, and malleability. Transition metals are known for their ability to form complex compounds and are widely used in various industrial applications, including catalysts, electronics, and alloys.Rate this question:
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- 5.
The elements that touch the zigzag line are classified as
- A.
Transition metals
- B.
Metalloids
- C.
Alkali metals
- D.
Noble gases
Correct Answer
B. MetalloidsExplanation
The elements that touch the zigzag line on the periodic table are classified as metalloids. Metalloids are elements that have properties of both metals and non-metals. They exhibit characteristics of metals such as conductivity, but also possess properties of non-metals such as brittleness. The zigzag line on the periodic table separates metals from non-metals, and the elements that touch this line are considered metalloids.Rate this question:
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- 6.
The elements in the far upper right corner are classified as
- A.
Metalloids
- B.
Transition metals
- C.
Noble gases
- D.
Liquids
Correct Answer
C. Noble gasesExplanation
The elements in the far upper right corner of the periodic table are classified as noble gases. Noble gases are a group of chemical elements that are characterized by their low reactivity, high stability, and full outer electron shells. They are located in Group 18 of the periodic table and include elements like helium, neon, argon, krypton, xenon, and radon. Noble gases are known for their low boiling points and are often used in various applications such as lighting, lasers, and cryogenics.Rate this question:
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- 7.
Elements in the first group have one outer shell electron and are extremely reactive, they are called
- A.
Alkaline earth metals
- B.
Alkali metals
- C.
Transition metals
- D.
Halogens
Correct Answer
B. Alkali metalsExplanation
The elements in the first group of the periodic table have one outer shell electron and are highly reactive. These elements are known as alkali metals. Alkali metals include elements such as lithium, sodium, and potassium. They are characterized by their low melting points, softness, and ability to readily lose their outermost electron to form a positive ion. Alkali metals are highly reactive due to their tendency to easily lose this outer electron, which makes them useful in various applications such as batteries and industrial processes.Rate this question:
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- 8.
Elements in the second group have 2 outer shell electrons and are also very reactive, they are called
- A.
Alkaline earth metals
- B.
Alkali metals
- C.
Metalloids
- D.
Noble gases
Correct Answer
A. Alkaline earth metalsExplanation
The elements in the second group of the periodic table, also known as Group 2 or the alkaline earth metals, have 2 outer shell electrons. These elements include beryllium, magnesium, calcium, strontium, barium, and radium. Alkaline earth metals are highly reactive due to their tendency to lose these 2 outer shell electrons in chemical reactions. They are less reactive than the alkali metals in Group 1 but still more reactive than most other elements. Therefore, the correct answer is Alkaline earth metals.Rate this question:
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- 9.
Elements in groups 3 through 12 have many useful properties and are called
- A.
Metalloids
- B.
Halogens
- C.
Noble gases
- D.
Transition metals
Correct Answer
D. Transition metalsExplanation
Elements in groups 3 through 12 have many useful properties and are called transition metals. Transition metals are known for their ability to form multiple oxidation states and for their high melting and boiling points. They are often used in various industries, such as electronics, construction, and manufacturing, due to their strength, conductivity, and durability. Transition metals also play a crucial role in catalysis and are essential for biological processes.Rate this question:
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- 10.
Elements in group 17 are known as "salt formers," and they are called
- A.
Noble gases
- B.
Metalloids
- C.
Halogens
- D.
Lanthanides
Correct Answer
C. HalogensExplanation
The elements in group 17 are known as "salt formers" because they have a strong tendency to form compounds with metals and create salts. These elements, known as halogens, include fluorine, chlorine, bromine, iodine, and astatine. They are highly reactive and have seven valence electrons, making them capable of gaining one electron to achieve a stable octet configuration. This electron gain allows them to easily combine with metals and form ionic compounds, or salts. Therefore, the correct answer is Halogens.Rate this question:
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- 11.
Elements in group 18 are very unreactive, they are called
- A.
Noble gases
- B.
Transition metals
- C.
Actinides
- D.
Halogens
Correct Answer
A. Noble gasesExplanation
The elements in group 18 are called noble gases because they have a full outer electron shell, making them very stable and unreactive. This stability is due to their electronic configuration, which is characterized by a complete octet or duet. Noble gases do not readily form compounds with other elements and are known for their low boiling points and densities. Some examples of noble gases include helium, neon, and argon.Rate this question:
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- 12.
Elements at the bottom of the table were pulled out to keep the table from becoming too long, the first period at the bottom is called
- A.
Actinides
- B.
Alkaline earth metals
- C.
Lanthanides
- D.
Halogens
Correct Answer
C. LanthanidesExplanation
The elements at the bottom of the periodic table were pulled out to prevent the table from becoming too long. These elements are known as the lanthanides.Rate this question:
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- 13.
The second period at the bottom of the table is called the
- A.
Lanthanides
- B.
Noble gases
- C.
Actinides
- D.
Halogens
Correct Answer
C. ActinidesExplanation
The second period at the bottom of the table is called the Actinides. The periodic table is divided into several sections, including periods and groups. The periods are horizontal rows that represent the number of electron shells an element has. The second period at the bottom of the table is where the Actinides are located. Actinides are a series of elements that follow the element actinium (Ac) and have atomic numbers ranging from 89 to 103. They are all radioactive and have similar chemical properties.Rate this question:
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- 14.
He wrote the law of octaves
Correct Answer
John NewlandsExplanation
John Newlands is the correct answer because he is the scientist who proposed the law of octaves in chemistry. This law states that when elements are arranged in order of increasing atomic mass, properties repeat every eighth element. Newlands observed this pattern and published his findings in 1864, which was a significant contribution to the development of the periodic table. His work laid the foundation for the modern understanding of the periodicity of elements and their properties.Rate this question:
- 15.
He wrote the first periodic table
Correct Answer
ChancourtoisExplanation
Chancourtois is credited with writing the first periodic table. He developed a system in 1862 that arranged the elements in a spiral form around a cylinder, known as the telluric screw. This arrangement allowed for the visualization of periodic patterns and similarities between elements. Chancourtois' work laid the foundation for the modern periodic table we use today, making him the correct answer.Rate this question:
- 16.
He is the Father of the periodic table
Correct Answer
Dmitri MendeleevExplanation
Dmitri Mendeleev is known as the Father of the periodic table because he is credited with creating the first widely accepted version of the periodic table of elements. In 1869, Mendeleev organized the known elements based on their atomic mass and chemical properties, arranging them in a way that revealed patterns and allowed for the prediction of undiscovered elements. His work laid the foundation for the modern periodic table that we use today.Rate this question:
- 17.
He wrote the Law of Triads
Correct Answer
Johann DobereinerExplanation
Johann Dobereiner is the correct answer because he is the one who wrote the Law of Triads. This law states that when elements are arranged in groups of three, the middle element has properties that are an average of the other two. Dobereiner's Law of Triads was an early attempt to classify elements based on their properties and laid the foundation for the development of the periodic table.Rate this question:
- 18.
He was the first to arrnage the elements by increasing atomic number
Correct Answer
Henry moseleyExplanation
Henry Moseley is credited with arranging the elements by increasing atomic number. Before Moseley's work, the periodic table was organized based on atomic mass. However, Moseley's experiments with X-rays led him to discover that elements' properties were better correlated with their atomic number rather than their atomic mass. He arranged the elements in order of increasing atomic number, which resulted in a more accurate representation of the periodic table. Moseley's contribution revolutionized the field of chemistry and provided a more logical and consistent way of organizing the elements.Rate this question:
- 19.
He is responsible for creating elements 94-102 and 106
Correct Answer
Glenn T. SeaborgExplanation
Glenn T. Seaborg is credited with creating elements 94-102 and 106. Seaborg was a renowned American chemist who made significant contributions to the field of nuclear chemistry. He played a key role in the discovery and synthesis of numerous transuranium elements, including plutonium, americium, curium, and berkelium. Seaborg's work expanded our understanding of the periodic table and the behavior of heavy elements. His discoveries have had important applications in nuclear energy, medicine, and scientific research.Rate this question:
- 20.
He made a table similiar to Mendeleev but published it a year later
Correct Answer
Lothar meyerExplanation
Lothar Meyer is the correct answer because he is known for independently creating a periodic table similar to Mendeleev's. However, Meyer published his table a year later than Mendeleev, making him a significant contributor to the development of the periodic table. His work, along with Mendeleev's, helped establish the foundation for organizing and understanding the elements based on their properties and atomic weights.Rate this question:
- 21.
He was the first to show the concept of periodocity between the elements
Correct Answer
John NewlandsExplanation
John Newlands was a chemist who proposed the Law of Octaves in 1864. He arranged the known elements in order of increasing atomic weight and noticed that every eighth element had similar properties, similar to the musical octaves. This observation laid the foundation for the periodic table and demonstrated the concept of periodicity between the elements. Newlands' work was significant in understanding the periodic trends and organizing the elements based on their properties.Rate this question:
- 22.
He made the first discovery of an element
Correct Answer
Hennig BrandExplanation
Hennig Brand is credited with making the first discovery of an element. He was an alchemist who lived in the 17th century. In his quest to find the philosopher's stone, a substance believed to have the power to turn base metals into gold, Brand conducted numerous experiments. One of these experiments involved boiling urine, which eventually led to the discovery of phosphorus. This discovery marked the first time a new element had been identified, making Hennig Brand an important figure in the history of chemistry.Rate this question:
- 23.
Element 106 is named after this scientist
Correct Answer
Glenn T. SeaborgExplanation
Element 106 is named after Glenn T. Seaborg because he was a renowned American chemist who made significant contributions to the discovery and understanding of transuranium elements. Seaborg played a crucial role in the discovery and synthesis of element 106, which led to its naming in his honor. His extensive research and discoveries in the field of nuclear chemistry earned him numerous accolades, including the Nobel Prize in Chemistry in 1951.Rate this question:
- 24.
Element 101 is named after this man
Correct Answer
Dmitri MendeleevExplanation
Dmitri Mendeleev is the scientist who is credited with creating the periodic table of elements. Element 101 is named after him as a way to honor his contributions to the field of chemistry. Naming elements after scientists is a common practice in the scientific community to recognize their significant achievements and advancements in their respective fields.Rate this question:
- 25.
He was the first to note similarities between groups of 3 elements and their atomic weights
Correct Answer
Johann DobereinerExplanation
Johann Dobereiner was the first to observe the similarities between groups of three elements and their atomic weights. This observation led to the development of the Law of Triads, which states that when elements are arranged in groups of three, the atomic weight of the middle element is approximately the average of the other two. Dobereiner's discovery was an important step in understanding the periodicity of elements and laid the foundation for the later development of the periodic table.Rate this question:
- 26.
He noticed that the physical and chemical properties of the elements began to repeat every eight elements in his periodic table
Correct Answer
John NewlandsExplanation
John Newlands noticed that the physical and chemical properties of the elements began to repeat every eight elements in his periodic table. This observation led to the development of the Law of Octaves, where he arranged the elements in order of increasing atomic weight and observed that every eighth element had similar properties. This was an important contribution to the understanding of the periodicity of elements and laid the foundation for the modern periodic table.Rate this question:
- 27.
He was killed at 28 during World War I
Correct Answer
Henry MoseleyExplanation
Henry Moseley was a British physicist who made significant contributions to the field of atomic physics. He is best known for his work on X-ray spectra, which led to the discovery of the concept of atomic number. Moseley's experiments demonstrated a clear relationship between the wavelength of an X-ray and the atomic number of an element. Tragically, his promising career was cut short when he was killed in action during World War I at the age of 28. Despite his young age, Moseley's contributions to science had a profound impact on our understanding of the atom and laid the foundation for the modern periodic table.Rate this question:
- 28.
In what year was the first periodic table written(not scientists name)
Correct Answer
1862Explanation
The first periodic table was written in 1862.Rate this question:
- 29.
On his periodic table, he left spaces for elements that hadn't been discovered yet
Correct Answer
Dmitri MendeleevExplanation
Dmitri Mendeleev is known for creating the periodic table of elements. He organized the known elements at the time based on their properties and atomic weights. However, there were some elements that had not yet been discovered during Mendeleev's time. To account for this, he left spaces in his periodic table for these yet-to-be-discovered elements. This shows Mendeleev's foresight and his belief that there were still elements waiting to be discovered, which was later proven to be true as new elements were discovered and filled in the empty spaces on the periodic table.Rate this question:
- 30.
He reconfigured the periodic table by placing Lanthanides and Actinides at the bottom
Correct Answer
Glenn T. SeaborgExplanation
Glenn T. Seaborg is the correct answer because he reconfigured the periodic table by placing Lanthanides and Actinides at the bottom. This reconfiguration was a significant contribution to the field of chemistry as it provided a more accurate representation of the elements and their properties. Seaborg's work helped to expand our understanding of the periodic table and its organization, making it a crucial development in the field of chemistry.Rate this question:
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