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8.5ACD CFA Review
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List the locations of the subatomic particles.
Protons and Neutrons- Nucleus Electrons- cloud
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How many Carbon atoms are in the chemical formula C2H3O2?
2 carbon atoms
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Silver Nitrate, AgNO3, is a chemical compound used in photography. How many different elements make up this chemical compound?
3
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An electrically nuetral atom consists of 15 neutrons, 13 electrons, and a number of protons. What is the mass number?
28
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Where are electrons found in an atom?
Orbiting the nucleus
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Which element has 4 valence electrons, three energy levels, and is a metalloid?
Silicon
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What is the total number of neutrons and protons in an atom of Krypton?
84
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CH4 is an example of a —
Chemical Formula
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Which element has similar properties to element II in the ven diagram
Oxygen, Sulfur, Selenium, Tellurium. Polonium, or Livermorium
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How many valence electrons does Iodine have in group 17?
7
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In which of the following chemical formula's are there twice as many hydrogen than Carbon atoms?
C6H12O6
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