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Elements, Compounds, & Mixtures

  •  English    35     Featured
    The study of the differences between, elements, compounds, mixtures, and the atoms that make them up.
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  • The basic unit of a chemical element, that is made up of protons, electrons, and neutrons.
    Atom
  •  5
  • True or False, Nitrogen is a Metal?
    False
  •  5
  • This substance is made up of two or more elements chemically combined?
    Compound
  •  5
  • The vertical columns on the periodic table are called what?
    Groups
  •  5
  • A notation of one or two letters representing a chemical element.
    Symbol
  •  5
  • Two or more different atoms that combine together to form a….
    Compound
  •  10
  • What are the horizontal rows on the periodic table called?
    Periods
  •  10
  • The product of combining two or more substances that retain their properties. 
    Mixture
  •  10
  • What are called the building blocks of matter. (From your notes) because all matter is composed of these? 
    Elements or Atoms
  •  10
  • A negatively charged particle, that exists independently outside the nucleus of an atom. 
    Electron
  •  10
  • A positively charged particle, that exists dependently within the nucleus of an atom. 
    Proton
  •  15
  • True or False Compounds use some form of energy, usually heat, to transform the elements into a new substance. 
    True
  •  15
  • How is a mixture different from a compound?
    A mixture does not create a new substance, each element keeps their original properties. A compound creates a new substance from two other substances.
  •  15
  • What is the name of the gas family at the far right of the periodic table?
    Noble Gases
  •  15
  • An elementary particle having no charge and equal mass to a proton, found in the nucleus of all atoms except Hydrogen.
    Neutron
  •  15
  • A single atom or several atoms bound together forming the smallest particle that possesses all the characteristics of an element or compound.
    Molecule
  •  20