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Quarter One Test Clicker Review Quiz

Quarter One Test Clicker Review Quiz. How many electrons are found in the outer shell of the elements of the alkaline earth metal family?. A ) 2 B) 3 C) 4 D) 5. A. The electron cloud of an atom is responsible for all of the following characteristics of an atom EXCEPT: .

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Quarter One Test Clicker Review Quiz

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  1. Quarter One Test Clicker Review Quiz

  2. How many electrons are found in the outer shell of the elements of the alkaline earth metal family? A) 2 B) 3 C) 4 D) 5 A

  3. The electron cloud of an atom is responsible for all of the following characteristics of an atom EXCEPT: A) size B) shape C) mass D) volume C

  4. How many neutrons does the element nitrogen-15 have? a) 22 B) 7 C) 8 D) 15 C

  5. The most stable, normal state of an atom is the: A) inert state B) ground state C) orbital state D) excited state D

  6. The colors of the visible portion of the atomic emission spectrum include: red, green, yellow and blue. What transition causes the red color? • E3 to E2 • E2 to E1 • E4 to E2 • E4 to E3 A Note: the transitions to the second energy level are visible.

  7. The number of electrons in the outer shell of the argon atom (Ar) is A) 10 B) 40 C) 8 D) 18 Answer: C

  8. What is the relationship between the energy level of an electron and its distance from the nucleus? • A) The greater the energy the farther the electron is from the nucleus. • B) The greater the energy the closer the electron is to the nucleus. • C) The distance of the electron from the nucleus is unrelated to the electron's energy. • D) Electrons of all energies remain the same distance away from the nucleus. Answer: A

  9. Which of the following particles has the smallest mass? A) proton B) electron C) neutron D) hydrogen atom Answer: B

  10. Which of the following will NOT work to make an atom excited • thermal energy (heat) B) electricity (electron collisions) C) nuclear energy (bomb) D) light energy (ultraviolet) Answer: C

  11. List the following electromagnetic waves from lowest energy to highest energy: visible light, ultra violet, radiowaves, X-rays, and infrared rays. • radio, IR, visible, uv, x-rays • IR, visible, uv, x-rays, radiowaves • Radiowaves, IR, uv, visible, x-rays • X-rays, visible, uv, IR, radiowaves Answer: A

  12. If three electrons were removed from a lithium atom, the new particle could be represented as A) Li+ B) Li+2 C) Li+3 D) Li Answer: C

  13. Which is true about the sodium ion (Na+1)? • It has 12 protons, 11 neutrons, and 11 electrons. • B) It has 11 protons, 12 neutrons, and 12 electrons. C) It has 12 protons, 12 neutrons, and 11 electrons. D) It has 11 protons, 12 neutrons, and 10 electrons. Answer: D

  14. The most reactive metal of the group 2 metals (alkaline earth family) is • calciumb) strontium c) bariumd) radium Why? (Lowest ionization energy: It readily gives away electrons!) Answer: D

  15. The most electronegative element of the halogen family is • fluorineb) iodine c) astatine d) argon Answer: A The smallest radius with the greatest number of protons

  16. The energy needed to remove the outermost electron from one mole of gaseous atoms is known as the a) electron affinityb) ionization energy c) atomic number d) electronegativity The particle formed is a cation.. Answer: B

  17. Low ionization energy is characteristic of • metalsb) nonmetals c) semimetals d) noble gases Answer: A Metals have low ionization energies so they lose electrons to form cations

  18. List the following atoms in order of increasing ionization energy: Li, Na, C, O, F a) F, Na, C, O, Li b) Na, Li, C, O, F c) Na, Li, O, C, F d) Li, F, Na, C, O Answer: B

  19. Mass Spectrometer: What are the parts? • ionization, vaporization, acceleration, detection • Vaporization, ionization, acceleration, deflection, detection • Vaporization, detection, ionization, acceleration, deflection • Vaporization, ionization, deflection, acceleration, detection. Answer: B

  20. Calculate the relative atomic mass of Chlorine. 75% of chlorine is Cl-35 and 25% of chlorine is Cl-37 • 35.0 • 37.0 • 36.0 • 35.5 Answer: D Multiply the percents by the mass, add them and then divide by 100

  21. The increase of the ionization energies observed in going across a given period of the Periodic Table can be explained by the: a) decrease in the radius of the atoms in a period b) increase in the atomic number of the atoms in a period c) increase in the number of protons in the atoms in a period d) all of the above Answer: D

  22. Which particle has an electron configuration that is different from the electron configuration of an argon atom? • S 2-b) Mg 2+ • K+d) Cl- Answer: B

  23. What is the simple electron configuration of magnesium? • 2.8 • 2.8.2 • 2.8.8.2 • 2.8.1 Answer: B

  24. How many molecules are in 0.05 moles of water, H2O? • 3.01 x 1023 • 3.01 x1021 • 3.01 x 1022 • 6.02 x1023 Answer: C Multiply 0.05 moles times avogadro’s number

  25. How many moles of carbon dioxide gas are there in 1.204 x1024 molecules of gas? • 2 moles • 100 moles • 10 moles • 12 moles Answer: B Divide by avogadro’s number

  26. What is the volume, in liters, of 4.0 moles of helium gas at STP conditions? • 22.4 liters • 44.8 liters • 11.2 liters • 89.6 liters Answer: D Multiply 4.0 times 22.4 liters/mole of a gas

  27. The molar volume of a gas: • One mole of gas always has a volume of 22.4 liters • One mole of a gas has a volume of 22.4 liters at STP conditions • One mole of a gas does not have a volume • One mole of a gas cannot be weighed. Answer: B

  28. What is the mass in grams of 11.2 liters of Argon gas at STP conditions? • 20.0 grams • 40.0 grams • 30.0 grams • 10.0 grams Answer: A Divide 11.2 liters by the molar volume of a gas and multiply by the molar mass of argon

  29. What is the mass of 5.0 moles of sulfur? • 6.4 grams • 0.15 grams • 160.0 grams • 16.0 grams Answer: C Multiply 5.0 times the molar mass of sulfur

  30. What is the percent of water in copper(II) sulfate pentahydrate? • 25% • 30% • 36% • 90% Answer: C Find the molar mass of the compound. 249.5 grams/mole Divide the mass of water (90.0 grams) by the mass of the compound x 100

  31. Do a bunch of mole practice Also practice naming and writing the formulas of ionic compounds.

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