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Structure of matter

Quiz by Nova

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20 questions
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  • Q1
    What is the smallest unit of matter that retains the properties of an element?
    Molecule
    Ion
    Atom
    Compound
    30s
  • Q2
    What subatomic particle has a positive charge?
    Neutron
    Proton
    Photon
    Electron
    30s
  • Q3
    Which particles are found in the nucleus of an atom?
    Ions
    Electrons
    Protons and neutrons
    Molecules
    30s
  • Q4
    Which term describes a substance made of two or more different types of atoms bonded together?
    Solution
    Element
    Compound
    Mixture
    30s
  • Q5
    Which of the following best describes an ion?
    A stable compound
    A charged atom or molecule
    A neutral atom
    A mixture of elements
    30s
  • Q6
    What determines the atomic number of an element?
    The number of protons in its nucleus
    The total number of particles in the atom
    The number of electrons
    The number of neutrons
    30s
  • Q7
    What is the primary force that holds the protons and neutrons together in the nucleus of an atom?
    Gravitational force
    Strong nuclear force
    Weak nuclear force
    Electromagnetic force
    30s
  • Q8
    What type of bond involves the sharing of electron pairs between atoms?
    Ionic bond
    Metallic bond
    Covalent bond
    Hydrogen bond
    30s
  • Q9
    Which particle has a mass that is approximately 1/1836 that of a proton?
    Proton
    Electron
    Quark
    Neutron
    30s
  • Q10
    What is the term for the fixed ratio of atoms in a compound?
    Ionic formula
    Molecular formula
    Structural formula
    Empirical formula
    30s
  • Q11
    What is the smallest unit of matter that retains the properties of an element?
    Ion
    Compound
    Atom
    Molecule
    30s
  • Q12
    Which particle in an atom carries a positive charge?
    Photon
    Proton
    Electron
    Neutron
    30s
  • Q13
    What is the name of the force that holds protons and neutrons together in the nucleus?
    Electromagnetic force
    Gravitational force
    Frictional force
    Nuclear force
    30s
  • Q14
    What subatomic particle orbits the nucleus of an atom?
    Electron
    Proton
    Quark
    Neutron
    30s
  • Q15
    What determines the atomic number of an element?
    Number of neutrons
    Number of electrons
    Number of molecules
    Number of protons
    30s

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