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Science -- chemistry chapter 7

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  • What is the mass of a electron particle
    0AMU
  • What is the mass of a proton particle
    1AMU
  • Where are protons found
    In the nucleus
  • What are the reactants in Ammonia's chemical equation
    N2 and H2
  • What are some properties of a non-metals
    Poor conductors of heat and dull
  • What particle(s) make up an atom
    Neutrons, electrons, and protons
  • What is a chemical change
    chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the
  • Where are the metals organized on the periodic table
    The left side and of the metalloids
  • Balance Ammonia's chemical equation
    N2 + 3H2 ---> 2NH3
  • Is milk spoiling an example of physical change or chemical change
    Chemical Change
  • Where are neutrons found
    In the nucleus
  • How many neutrons does gold have
    118
  • What is law of conservation of mass
    This law states that matter cannot be created nor destroyed
  • Where are the metalloids organized on the periodic table
    In a zigzag line on the right side of the periodic table
  • How many Hydrogen atoms are in 2H2O
    4 hydrogen atoms
  • How many oxygen atoms are in 8H2O
    8 oxygen atoms
  • Where are valence electrons located
    The outer ring of an atom
  • What charge does an electron have
    negative charge
  • Where are electrons found
    Electron cloud
  • What do elements in the same group have in common?
    Same number of valence electrons
  • What charge does a neutron have
    No charge
  • Is blowing bubble in chocolate milk physical or chemical change
    Physcial
  • What is a physical change?
    change in the physical properties of a substance, as size or shape
  • What is the mass of a neutron particle
    1AMU
  • When mixing two hydrogen atoms and one oxygen atom you create a singular water molecule. Is this a physical or chemical change.
    Chemical
  • How many protons are in a gold atom
    79
  • Is metal rusting physical or chemical
    chemical
  • Is painting your bedroom walls physical or chemical change
    physical
  • How are the elements arranged on the periodic table
    Rows called periods and columns called groups organized by the amount of valence electrons and their atomic number
  • What charge does a proton have
    Positive Charge
  • What are some properties of metals
    shiny, good conductors, malleable (can be hammered into thin sheets), and ductile (drawn into wires)
  • what is the chemical formula for Hydrogen Peroxide
    H2O2
  • What is the Chemical compound for hexadecamer of Surfactin
    C₂₅H₄₆MgN₆O₁₆P₃S
  • Where are the nonmetals on the periodic table
    Right side of metalloids starting from column 14 all the way to 18
  • What is the difference between exothermic and endothermic reactions
    exothermic reactions release energy, while endothermic reactions absorb energy.
  • What is ammonia's product in this chemical equation
    NH3