The location and energy of an electron in an atom can be specified by

A. Atomic number

B. Atomic mass

C. Quantum numbers

D. None of these

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  1. The location and energy of an electron in an atom can be specified by
  2. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
  3. Which of the following characters is not shown by hydrogen
  4. Which of the following elements is a metal
  5. According to Daltons atomic theory the smallest particle which can exist independently is
  6. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  7. The oxide of Nitrogen used in medicine as anaesthetic is
  8. Liquefied Petroleum gas (LPG) consists of mainly
  9. Polythene is industrially prepared by the polymerisation of
  10. Pollination by birds is called
  11. In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If…
  12. The speed of light with the rise in the temperature of the medium
  13. Rust is
  14. The recent atomic weight scale is based on
  15. The solar eclipse occurs when
  16. The most important ore of Aluminium is
  17. Permanent hardness of water can be removed by adding
  18. Which of the following is the lightest metal ?
  19. The colour of Emerald is
  20. Which of the following is in liquid form at room temperature ?
  21. Old-written material, which cannot be read easily can be read by
  22. When a gas is turned into a liquid, the process is called
  23. Which of the following is commonly called a polyamide ?
  24. Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
  25. The formula of Plaster of Paris is
  26. Apparatus invented by Archimedes is :
  27. Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous…
  28. The chemial name of Uria is
  29. Nitrification means
  30. The metal used in storage batteries