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
1 / 50
1. Which of these alkalis has the most stable fluoride?______________
2 / 50
2. _______ is a compound formed when hydrogen combines covalently with non-metals.
3 / 50
3. Inner transition elements are otherwise known as ________
4 / 50
4. The name given to group 2 elements in the periodic table is ________
5 / 50
5. A consequence of _______ is the formation of a chelate ring.
6 / 50
6. Ionization energy ________ down the group within the alkali metals
7 / 50
7. Which of these elements behave partly as the alkaline metals as well as a halogen element? _________
8 / 50
8. The alkali metals belong to the _______ elements
9 / 50
9. Which of these elements has the electronic configuration of $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{1}$? __________
10 / 50
10. $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{7}4s^{2}$ is the electronic configuration for an element with atomic number ___________
11 / 50
11. Increase in principal quantum number(n) means _________ of the atomic radii
12 / 50
12. The presence of hydrogen bond in most molecules is responsible for the following EXCEPT ________
13 / 50
13. All these can be used as raw materials for the production of oxygen except ______
14 / 50
14. Within the alkali metals, atomic size _________ down the group.
15 / 50
15. How many elements are there in period 6 of the periodic table ? __________
16 / 50
16. Halogens have ________ electron affinity
17 / 50
17. Hydrogen is discharged at ___________ electrode during the electrolysis of brine
18 / 50
18. Which of these periods of the periodic table has only eight elements? ________
19 / 50
19. An element that shows some properties similar to alkali metals and some others similar to those of halogens is most likely to be _________
20 / 50
20. Ortho and para-hydrogen exemplifies a type of isomerism referred to as __________ isomerism.
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21. Which of the isotopes of hydrogen is radioactive?_________
22 / 50
22. Hydride ion is unusually _________ with respect to size
23 / 50
23. Which of the following is not true as we move down a group of s and p-block elements in the periodic table? ________
24 / 50
24. Elements which achieve a stable noble gas configuration by accepting just one electron are collectively called _______
25 / 50
25. Which of these alkali metals is the most electro-positive?______________
26 / 50
26. _________ is a radioactive isotope of hydrogen obtained on a large scale by irradiation of Li/Mg alloy of $ LiFe{3}$ with slow neutrons.
27 / 50
27. The stability of alkali salts depend on ______
28 / 50
28. The percentage of deuterium in natural occurring hydrogen is ________
29 / 50
29. Hydrides of alkali metals react with water to liberate which of these?______________
30 / 50
30. Stability of alkali salts depends on which of the following?_______________
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31. The most abundant metal in sea water is called ______.
32 / 50
32. Fuel cell have advantage over power plants in that its efficiency is _________
33 / 50
33. Which property was used by Mendeleev to classify elements?_______________
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34. The tendency of an atom to attract towards itself shared electron pair of a bond is known as ________
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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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36. Atoms of an element which have the same atomic number but different mass number is known as _________
37 / 50
37. Why was Newlands law of octaves rejected? ____________
38 / 50
38. Hydrogen can be obtained economically as a bi-product in the electrolysis of a compound called ________
39 / 50
39. The phenomenon in which a metal is surrounded by solvent molecules is called ________
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40. Which of these statements is not true of metallic hydrides? _______
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41. Lithium in the form of lithium stearate is used for the production of a substance known as __________ which minimizes friction between moving parts.
42 / 50
42. _________ metals react with sulphur to form simple sulphides and polysulphides.
43 / 50
43. Magnesium hydride is an example of ________ hydride.
44 / 50
44. Alkaline metals are extracted mainly by _________
45 / 50
45. The attractive force which binds hydrogen atom of one molecule with an electronegative atom of another molecule is known as _________
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46. Which of these is not a covalent hydride? ______
47 / 50
47. Which of these statements is not true of metallic elements?_________
48 / 50
48. The f-blocks elements are otherwise known as ________
49 / 50
49. __________ is one of the isotopes of hydrogen whose neutron number is zero.
50 / 50
50. Berylium , an alkaline earth metal belongs to the _______ block elements.
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