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PES Chemistry Review

PES Chemistry Review. How do you feel about this test?. Pretty confident I understand most of it I’m completely lost!. [Default] [MC Any] [MC All]. What is the nucleus of an atom made up of?. Protons Neutrons Electrons A and B A and C. [Default] [MC Any] [MC All].

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PES Chemistry Review

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  1. PES Chemistry Review

  2. How do you feel about this test? • Pretty confident • I understand most of it • I’m completely lost! [Default] [MC Any] [MC All]

  3. What is the nucleus of an atom made up of? • Protons • Neutrons • Electrons • A and B • A and C [Default] [MC Any] [MC All]

  4. The definition of a solid is: • A substance with densely packed particles, with a definite shape • A substance with loosely packed particles that can take the shape of their container • A substance with particles that move independently of one another. • A substance made of hot, highly ionized, electrically conducting gas. [Default] [MC Any] [MC All]

  5. Orange Juice? • Heterogeneous Mixture • Homogeneous Mixture

  6. Chocolate Chip Cookie Dough? • Heterogeneous Mixture • Homogeneous Mixture

  7. Orange Juice with Pulp? • Heterogeneous Mixture • Homogeneous Mixture

  8. Breaking a pencil? • Physical Change • Chemical Change

  9. Burning paper? • Physical Change • Chemical Change

  10. Boiling water? • Physical Change • Chemical Change

  11. What is the atomic number of sodium? • 11 • 0

  12. How many protons does Silver have? • 47 • 0

  13. How many electrons does a neutral atom of Sulfur have? • 16 • 0

  14. How will Magnesium fulfill its octet? • Gain 2 protons • Gain 2 electrons • Lose 2 protons • Lose 2 electrons [Default] [MC Any] [MC All]

  15. What will the charge on Magnesium be after it loses 2 electrons? • Mg2+ • Mg2- • Mg2 • 2Mg [Default] [MC Any] [MC All]

  16. What is mass number? • The number of protons • The number of protons plus electrons • The number of protons plus neutrons • The number of neutrons plus electrons [Default] [MC Any] [MC All]

  17. If Xenon has 54 protons and 77 neutrons, what is its mass number? • 131 • 0

  18. Rubidium has a mass number of 85. How many neutrons does it have? • 48 • 0

  19. Which of the following is the correct electron dot structure for aluminum? • [Option 1] • [Option 2] • [Option 3] • [Option 4] [Default] [MC Any] [MC All]

  20. Classify the following bond: CO2 • Ionic • Covalent • Metallic [Default] [MC Any] [MC All]

  21. Classify the following bond: Cu • Ionic • Covalent • Metallic [Default] [MC Any] [MC All]

  22. Classify the following bond: KBr • Ionic • Covalent • Metallic [Default] [MC Any] [MC All]

  23. Calculate the formula mass of H2O • 18 • 0.5

  24. Calculate the formula mass of Al2O3 • 102 • 0.5

  25. Name the type of reaction:2H2O → 2H2 + O2 • Synthesis • Decomposition • Single Replacement • Double Replacement • Combustion [Default] [MC Any] [MC All]

  26. Name the type of reaction:CH4 + 2O2→ CO2 + 2H2O • Synthesis • Decomposition • Single Replacement • Double Replacement • Combustion [Default] [MC Any] [MC All]

  27. How many valence electrons does chlorine have? • 7 • 0

  28. How many valence electrons does gallium have? • 3 • 0

  29. Balance the following equationCa+ N2 Ca3N2 • Ca+ N2Ca3N2 • Ca3 + N2Ca3N2 • 6Ca + 2N2 2Ca3N2 • 3Ca + N2 Ca3N2 [Default] [MC Any] [MC All]

  30. Balance the following equation:BiCl3 + H2S  Bi2S3 + HCl • 2BiCl + H2S3 Bi2S3 + 2HCl • 2BiCl3 + 3H2S  Bi2S3 + 6HCl • BiCl3+ 3H2S  BiS3+ H2Cl3 • 4BiCl3+ 6H2S  2Bi2S3+ 12HCl [Default] [MC Any] [MC All]

  31. When Li1+ and Se2- combine, what compound do they form? • LiSe • Li2Se • LiSe2 [Default] [MC Any] [MC All]

  32. When Ca2+and N3-combine, what compound do they form? • Ca3N2 • Ca2N3 • CaN [Default] [MC Any] [MC All]

  33. I am better prepared for this test. • Yep! • Definitely not! [Default] [MC Any] [MC All]

  34. I plan on studying before Friday. BE HONEST! • Yes…because I really need to (or my parents are making me) • Maybe a little. • Study? What’s that? [Default] [MC Any] [MC All]

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