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5 Written questions

5 Matching questions

  1. down across right left
  2. Physical Properties
  3. metal
  4. protons neutrons
  5. Dalton's
  1. a ______________- A property that can be observed without changing the molecular composition of matter
  2. b ______________ atomic theory is microscopic model to explain macroscopic observations
  3. c The atomic radius trend says that atoms tend to get larger and have increased radius when you go ___________ the periodic chart as you go ___________ a period, ___________to ___________
  4. d mass number is the number of _________ +__________
  5. e ___________ is an element that typically has less than 4 electrons in its outer shell

5 Multiple choice questions

  1. A ______________ is the heat energy needed to raise the temperature of 1g of water to 1degree C
  2. Who was the scientist that came up with law of multiple proportions?
  3. Isotopes of an element have the same __________ properties but different __________
  4. ______________- Study of how to determine the exact composition of mixtures and compounds. What is present and what is the exact percent composition.
  5. _________________- Study of compounds that have the element carbon as the basic structure

5 True/False questions

  1. 1,0001 Food Calorie = ______cal


  2. Isotopes__________ - atoms of the same element that differ in mass due to a different number of neutrons


  3. Homogenous and heterogeneousmass number is the number of _________ +__________


  4. Chemical properties______________- Properties of matter that are observed when atoms are rearranged removed replaced or added to compounds resulting in new compounds with differing physical and chemical properties


  5. Aufbaua neutron has what charge?


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