Thursday, April 3, 2014

Thursday AIMS Review


  1. Elements share similar chemical properties/characteristics with other elements that are
    1. In the same period
    2. In the same group
    3. Have the same atomic number
    4. Metals
  2. What is the least reactive group on the periodic table?
    1. Group 18 – Nobles Gases
    2. Group 1 – Alkali Metals
    3. Group 2
    4. Group 3
  3. Higher numbers for density mean
    1. Object has greater density and floats
    2. Object has less density and sinks
    3. Object has greater density and sinks
    4. Object has less density and floats
  4. Which of the following solutions is the most soluble?
    1. Salt and water
    2. Sugar and water
    3. Sand and water
  5. Which of the following happens when the energy or motion of particles decreases?
    1. Melting
    2. Evaporation
    3. Freezing
    4. Boiling
  6. How do you know if a substance has gone through a chemical reaction or change?
    1. Mass is lost
    2. A new substance is formed
    3. Energy is released from atoms
    4. The substances change from a liquid to a gas
  7. Which of the following is a chemical property?
    1. Density
    2. Solubility
    3. States
    4. Oxidation
  8. Which of the following is a physical property?
    1. ph levels
    2. reactivity with oxygen
    3. melting point
    4. flammability

11. Describe each box as a compound, element, or mixture

x=
y=
z=
w=

12. Give one example of a heterogenous mixture:

13. Give one example of a homogenous mixture:





Click this link and find out if each substance is a Base or an Acid!


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