ATTENTION:
Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.
Good luck!
CHM101
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1. Inner transition elements are otherwise known as ________
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2. How many electrons are in potassium atom? __________
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3. The stability of alkali salts depend on ______
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4. $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{7}4s^{2}$ is the electronic configuration for an element with atomic number ___________
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5. Halogens have ________ electron affinity
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6. Magnesium hydride is an example of ________ hydride.
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7. Why was Newlands law of octaves rejected? ____________
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8. Hydrogen can be obtained economically as a bi-product in the electrolysis of a compound called ________
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9. The f-blocks elements are otherwise known as ________
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10. The name given to group 2 elements in the periodic table is ________
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11. The tendency of an atom to attract towards itself shared electron pair of a bond is known as ________
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12. The alkali metals belong to the _______ elements
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13. Which of these elements behave partly as the alkaline metals as well as a halogen element? _________
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14. The most abundant metal in sea water is called ______.
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15. Atoms of an element which have the same atomic number but different mass number is known as _________
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16. __________ is one of the isotopes of hydrogen whose neutron number is zero.
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17. All these can be used as raw materials for the production of oxygen except ______
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18. The elements which the extra electron enters(n2)f orbitals are called ________
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19. The percentage of deuterium in natural occurring hydrogen is ________
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20. Which of these statements is not true of metallic elements?_________
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21. Ortho and para-hydrogen exemplifies a type of isomerism referred to as __________ isomerism.
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22. Stability of alkali salts depends on which of the following?_______________
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23. A consequence of _______ is the formation of a chelate ring.
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24. The presence of hydrogen bond in most molecules is responsible for the following EXCEPT ________
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25. Which of these is not a covalent hydride? ______
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26. Increase in principal quantum number(n) means _________ of the atomic radii
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27. _______ is a compound formed when hydrogen combines covalently with non-metals.
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28. Within the alkali metals, atomic size _________ down the group.
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29. Which of the isotopes of hydrogen is radioactive?_________
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30. Ionization energy ________ down the group within the alkali metals
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31. Fuel cell have advantage over power plants in that its efficiency is _________
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32. Which of these elements has the electronic configuration of $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{1}$? __________
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33. Which property was used by Mendeleev to classify elements?_______________
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34. Hydrogen is discharged at ___________ electrode during the electrolysis of brine
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35. How many elements are there in period 6 of the periodic table ? __________
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36. Which of these periods of the periodic table has only eight elements? ________
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37. Lithium in the form of lithium stearate is used for the production of a substance known as __________ which minimizes friction between moving parts.
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38. Which of the following is not true as we move down a group of s and p-block elements in the periodic table? ________
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_____states that as far as possible in a given atom in the ground state, electrons in the same sub shell will occupy different orbitals and will have parallel spins.
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40. An element that shows some properties similar to alkali metals and some others similar to those of halogens is most likely to be _________
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41. _________ is a radioactive isotope of hydrogen obtained on a large scale by irradiation of Li/Mg alloy of $ LiFe{3}$ with slow neutrons.
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42. Alkaline metals are extracted mainly by _________
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43. The phenomenon in which a metal is surrounded by solvent molecules is called ________
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44. _________ metals react with sulphur to form simple sulphides and polysulphides.
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45. Hydride ion is unusually _________ with respect to size
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46. Berylium , an alkaline earth metal belongs to the _______ block elements.
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47. Which of these statements is not true of metallic hydrides? _______
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48. Which of these alkalis has the most stable fluoride?______________
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49. Which of these alkali metals is the most electro-positive?______________
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50. The attractive force which binds hydrogen atom of one molecule with an electronegative atom of another molecule is known as _________
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