Chemistry Basics Quiz
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Questions and Answers

Which of the following is an example of a chemical property?

  • Density
  • Boiling point
  • Melting point
  • Flammability (correct)

    • An element can be broken down into simpler substances.

    False

    What is the formula for density?

    Density = Mass/Volume

    A substance made of hydrogen and oxygen is called ________.

    <p>water</p> Signup and view all the answers

    Match the following terms with their correct definitions:

    <p>Chemical Property = Describes how a substance reacts with others Compound = A substance made of two or more different elements Density = Mass per unit volume of a substance Electron = Negatively charged particle outside the nucleus</p> Signup and view all the answers

    Which of the following groups contains highly reactive elements?

    <p>Alkali metals</p> Signup and view all the answers

    Heterogeneous mixtures have components that are uniformly distributed.

    <p>False</p> Signup and view all the answers

    What is an ion?

    <p>An atom or molecule that has gained or lost electrons, resulting in a charged particle.</p> Signup and view all the answers

    Air is an example of a __________ mixture.

    <p>homogeneous</p> Signup and view all the answers

    Match the following terms with their definitions:

    <p>Group = A vertical column in the periodic table Homogeneous = Components are uniformly distributed Isotope = Atoms of the same element with different neutrons Ion = A charged particle due to electron gain or loss</p> Signup and view all the answers

    What type of compound is formed when electrons are transferred from a metal to a non-metal?

    <p>Ionic Compound</p> Signup and view all the answers

    Metalloids possess properties that are exclusively those of metals.

    <p>False</p> Signup and view all the answers

    Name an example of a highly malleable substance.

    <p>Gold</p> Signup and view all the answers

    A __________ is a combination of two or more substances that are not chemically bonded.

    <p>mixture</p> Signup and view all the answers

    Match the following states of matter with their description:

    <p>Solid = Definite shape and volume Liquid = Definite volume but no definite shape Gas = Neither definite shape nor volume Plasma = Ionized gas with free electrons</p> Signup and view all the answers

    Which of the following correctly defines a molecular compound?

    <p>A compound made up of two or more non-metal atoms that share electrons through covalent bonds.</p> Signup and view all the answers

    All metals are known to conduct heat and electricity poorly.

    <p>False</p> Signup and view all the answers

    What is the role of neutrons in the nucleus of an atom?

    <p>To help stabilize the nucleus.</p> Signup and view all the answers

    In a Carbon-12 atom, the number of neutrons is ___.

    <p>6</p> Signup and view all the answers

    Which of the following statements about protons is true?

    <p>Protons are found in the nucleus of an atom.</p> Signup and view all the answers

    Salt dissolves in oil, making a solution.

    <p>False</p> Signup and view all the answers

    What term describes a homogeneous mixture formed when a substance dissolves in another?

    <p>Solution</p> Signup and view all the answers

    A ______ substance can dissolve in a solvent to form a solution.

    <p>soluble</p> Signup and view all the answers

    Match the following examples with their corresponding terms:

    <p>Sugar = Solubility Saltwater = Solution Rough = Texture Glass = Texture</p> Signup and view all the answers

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