Chemistry 101: Practice Quiz! Trivia Exam

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  • 1/12 Questions

    Why do we categorize elements?

    • So it looks pretty
    • So that elements can be understood by their structure and placement in the universe
    • There are dates in which they were founded and it is easier to know which ones came first.
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About This Quiz


Do you think you can pass this chemistry practice quiz? Safety is one of the more practical benefits of studying chemistry. It teaches you what happens when you mix certain chemicals, and it tells us what is hazardous and what is safe. New developments in chemistry have also led to improved sanitation and hygiene technologies, such as clean drinking water. This quiz will guide you on your journey of learning about chemistry.

Chemistry 101: Practice Quiz! Trivia Exam - Quiz

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  • 2. 

    Elements in a group tend to be?

    • More similar chemically

    • Less similar chemically

    • Not similar at all chemically

    Correct Answer
    A. More similar chemically
    Explanation
    Elements in a group tend to be more similar chemically because they have the same number of valence electrons. Valence electrons are responsible for the chemical behavior of elements, and elements in the same group have the same number of valence electrons. This similarity in electron configuration leads to similar chemical properties and reactivity among elements in a group.

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  • 3. 

    The matter is composed of?

    • Electrons

    • Very small particles called atoms

    • Various components of cells that create energy

    Correct Answer
    A. Very small particles called atoms
    Explanation
    Matter is composed of very small particles called atoms. Atoms are the basic building blocks of matter and are made up of even smaller particles such as protons, neutrons, and electrons. These atoms combine together to form molecules, which in turn make up all the substances and materials around us.

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  • 4. 

    Matter cannot be:

    • Broken into smaller bits

    • Part of the earth

    • Created nor destroyed

    Correct Answer
    A. Created nor destroyed
    Explanation
    Matter cannot be created nor destroyed because of the law of conservation of mass. This law states that the total mass of a closed system remains constant over time, regardless of any physical or chemical changes that may occur. Therefore, matter can only change its form or be rearranged, but it cannot be created or destroyed. This principle is fundamental to understanding the behavior of matter in various physical and chemical processes.

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  • 5. 

    Which of the following is the best conductor of electricity?

    • Metals

    • Non-Metals

    • Transition Metals

    Correct Answer
    A. Metals
    Explanation
    Metals are the best conductors of electricity because they have a high number of free electrons that are able to move easily through the material. This allows for the efficient flow of electric current. Non-metals, on the other hand, do not have many free electrons and therefore do not conduct electricity well. Transition metals, although they have some properties of both metals and non-metals, are still better conductors than non-metals but not as good as regular metals.

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  • 6. 

    The periodic table is made up of elements that are arranged by?

    • Groups and periods

    • Periods and compounds

    • Families and elements

    Correct Answer
    A. Groups and periods
    Explanation
    The periodic table is made up of elements that are arranged by groups and periods. Groups are the vertical columns on the table and represent elements with similar properties. Periods are the horizontal rows and represent the energy levels or shells of the elements. This arrangement allows for easy classification and organization of the elements based on their atomic structure and properties.

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  • 7. 

    Which of the following elements are not metal?

    • Fe

    • Ti

    • Xe

    Correct Answer
    A. Xe
    Explanation
    Xe is not a metal because it is a noble gas. Noble gases are a group of elements that are known for their low reactivity and full outer electron shells, making them stable and non-metallic in nature. In contrast, Fe (iron) and Ti (titanium) are both transition metals, which are known for their high reactivity, ability to form positive ions, and metallic properties.

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  • 8. 

      Al3+ + 3CH3COO- →  

    • Al2(CO3)3

    • AlCl3

    • (CH3COO)3Al

    Correct Answer
    A. (CH3COO)3Al
    Explanation
    The given reaction involves the combination of Al3+ ions with CH3COO- ions. The balanced equation for this reaction is: Al3+ + 3CH3COO- → (CH3COO)3Al. This indicates that three CH3COO- ions combine with one Al3+ ion to form (CH3COO)3Al. Therefore, the correct answer is (CH3COO)3Al.

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  • 9. 

    Which type of element is brittle when it is solid?

    • Metal

    • Non-Metal

    • Gap Metal

    Correct Answer
    A. Non-Metal
    Explanation
    Non-metals are typically brittle when they are in solid form. Unlike metals, which are malleable and can be easily shaped, non-metals tend to be rigid and breakable. This is because non-metals have a higher tendency to form covalent bonds, which are strong but inflexible. As a result, non-metallic solids are more likely to fracture or shatter when subjected to stress or pressure.

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  • 10. 

    The bottom number in each elemental box is the

    • Atomic number

    • Number of protons

    • Atomic Mass

    Correct Answer
    A. Atomic Mass
    Explanation
    The bottom number in each elemental box represents the atomic mass. The atomic mass is the average mass of all the isotopes of an element, taking into account their abundance. It is calculated by multiplying the mass of each isotope by its abundance and adding them together. The atomic mass is important for determining the amount of an element in a given sample and for understanding the periodic table and its patterns.

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  • 11. 

    Which element is known as the lightest metal and also has the lowest density of all metals in the periodic table?

    • Iron (Fe)

    • Gold (Au)

    • Lithium (Li)

    • Mercury (Hg)

    Correct Answer
    A. Lithium (Li)
    Explanation
    Lithium (Li) is the lightest metal and has the lowest density of all metals in the periodic table. It is a soft, silvery-white metal that belongs to the alkali metal group, located in Group 1 and Period 2. Lithium's unique properties make it highly valuable, especially in the manufacture of batteries and in various applications requiring lightweight metals.

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  • 12. 

    The periodic table shows a total of _______ metalloids.

    Correct Answer
    7, seven, Seven 14 7
    Explanation
    Metalloids are elements that have properties of both metals and nonmetals. They are located along the stair-step line on the periodic table. The seven metalloids are boron, silicon, germanium, arsenic, antimony, tellurium, and polonium.  

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  • Current Version
  • Jan 06, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 03, 2011
    Quiz Created by
    Hm6136
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