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Matter Unit Review

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    To review for 8th Grade Science Matter Test
  •   Study   Slideshow
  • A characteristic of matter that can be observed with your 5 senses is a ____________ property
    physical
  •  15
  • A characteristic of matter that can only be observed when matter is changed into a new kind of matter is a __________ property
    chemical
  •  15
  • What type of charge does a proton have?
    positive
  •  15
  • What type of charge does a neutron have?
    neutral
  •  15
  • What is the atomic number of this Carbon atom?
    6
  •  15
  • If reaction starts with 20g of reactants how much will the products weigh?
    20g
  •  15
  • Is the following equation balanced? 4Fe + 3O2 --> 2Fe2O3
    yes
  •  15
  • How many aluminum atoms are in Al2(SO4)3?
    2
  •  15
  • How many elements are in C6H12O6?
    3
  •  15
  • What is the right part of a chemical equation called... 2H2 + O2 --> 2H2O
    products
  •  15
  • The volume of water in a beaker was 215 mL. After 5 days, the volume of the water was 200 mL. What best explains the change in volume?
    Some of the water evaporated and escaped into the air as water vapor.
  •  15
  • Most of the elements on the periodic table are classified as _____. (metals, nonmetals, or metalloids)
    metals
  •  15
  • Atomic Mass comes from which 2 subatomic particles?
    protons and neutrons
  •  15
  • A substance made up of two or more chemically combined elements is —
    compound
  •  15
  • element, compound, or mixture?
    compound
  •  15
  • element, compound, or mixture?
    mixture
  •  15