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Quiz on PS. 3 & 4a
Hauen laguntzarekin: Browder
  • 1. What is the mass number (rounded to the nearest whole number) of the element with the symbol "V"?
A) 23
B) 50
C) 60
D) 51
  • 2. How many valence electrons does Chlorine have?
A) 17
B) 1
C) 3
D) 7
  • 3. What is the group number for Rhodium?
A) 5
B) 45
C) 103
D) 9
  • 4. What is the period number for Arsenic?
A) 33
B) 15
C) 4
D) 3
  • 5. Neon, Argon, and Krypton belong to which group?
A) Alkaline Metals
B) Halogens
C) Noble Gases
D) Alkaline Earth Metals
  • 6. What is the atomic number of Nitrogen?
A) 7
B) 14
C) 14.007
D) 2
  • 7. How many electrons does Barium have?
A) 137
B) 6
C) 56
D) 2
  • 8. How many energy levels does Cesium have?
A) 7
B) 1
C) 2
D) 6
  • 9. Which of the following is true?
A) Chlorine is a liquid non-metal.
B) Mercury is a solid metal.
C) Tellurium is a solid metalloid.
D) Phosphorus is a non-metal gas.
  • 10. How many protons does Molybdenum have?
A) 42
B) 6
C) 96
D) 5
  • 11. How many neutrons does Lithium have?
A) 2
B) 4
C) 7
D) 3
  • 12. Which scientist's model looked like plum pudding?
A) Bohr
B) Rutherford
C) Thomson
D) Dalton
  • 13. Which scientist is discovered the electron?
A) Bohr
B) Dalton
C) Thomson
D) Rutherford
  • 14. Which scientist was the first to suggest that different elements have atoms of different masses?
A) Dalton
B) Thomson
C) Rutherford
D) Bohr
  • 15. Which scientist suggested that the atom is mostly empty space?
A) Thomson
B) Dalton
C) Rutherford
D) Bohr
  • 16. Which of the following correctly lists the scientists in the order in which they proposed a new model of the atom?
A) Bohr, Rutherford, Dalton, Thomson
B) Dalton, Rutherford, Thomson, Bohr
C) Dalton, Thomson, Rutherford, Bohr
D) Dalton, Thomson, Bohr, Rutherford
  • 17. Which of the following correctly matches the subatomic particle with its charge?
A) proton = negative, electron = positive, neutron = no charge
B) proton = positive, electron = neutral, neutron = negative
C) proton = positive, neutron = negative, electron = no charge
D) proton = positive, electron = negative, neutron = uncharged
  • 18. Ice melting is an example of a -
A) chemical change
B) chemical property
C) physical change
D) physical property
  • 19. Which two particles are located in the atom's nucleus?
A) neutrons and electrons
B) protons and neutrons
C) protons and orbits
D) protons and electrons
  • 20. Based on their position on the periodic table, which pair of elements has similar chemical properties?
A) Mercury and Thallium
B) Argon and Krypton
C) Carbon and Boron
D) Phosphorus and Silicon
  • 21. Which model suggested that electrons form a negatively charged cloud around the positively charged nucleus?
A) Thomson's Model
B) Dalton's Model
C) Bohr's Model
D) Rutherford's Model
E) Electron Cloud
  • 22. Which of the following is still true today?
A) the atom is mostly empty space
B) the atom is a positively charged sphere with electrons embedded in it
C) electrons orbit totally randomly around the nucleus
D) atoms are tiny solid spheres
  • 23. Elements that are in the same __________ have similar chemical properties?
A) group
B) nucleus
C) region
D) period
  • 24. Based on its position on the periodic table, Sodium has similar properties to which element?
A) Magnesium
B) Chlorine
C) Beryllium
D) Lithium
  • 25. To determine the group name of an element, you must first figure out its -
A) State of Matter
B) Group Number
C) Period Number
D) Number of Neutrons
  • 26. For any atom that is neutral, the number of electrons is equal to the -
A) group number
B) number of protons
C) period number
D) number of neutrons
  • 27. For any atom, the number of neutrons is -
A) the same as the number of energy levels
B) greater than the mass number
C) the same as the number of electrons
D) the mass number minus the atomic number
  • 28. To determine the number of valence electrons of an element, you must first figure out its -
A) Group Number
B) Number of Neutrons
C) Period Number
D) State of Matter
  • 29. An atom has 7 protons. What is the element?
A) Nitrogen
B) Carbon
C) Manganese
D) Francium
  • 30. Is it possible for Carbon to have 7 protons?
A) Yes, some Carbon atoms have 6 protons, some have 7 protons.
B) No, every single Carbon atom has exactly 6 protons. An atom's atomic number gives it its identity.
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