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. The alkali metals belong to the _______ elements
2 / 50
2. Which of the following is not true as we move down a group of s and p-block elements in the periodic table? ________
3 / 50
3. Which of these elements behave partly as the alkaline metals as well as a halogen element? _________
4 / 50
4. Hydride ion is unusually _________ with respect to size
5 / 50
5. The percentage of deuterium in natural occurring hydrogen is ________
6 / 50
6. The presence of hydrogen bond in most molecules is responsible for the following EXCEPT ________
7 / 50
7. How many elements are there in period 6 of the periodic table ? __________
8 / 50
8. Hydrogen is discharged at ___________ electrode during the electrolysis of brine
9 / 50
9. $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{7}4s^{2}$ is the electronic configuration for an element with atomic number ___________
10 / 50
10. Which of these elements has the electronic configuration of $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{1}$? __________
11 / 50
11. _________ metals react with sulphur to form simple sulphides and polysulphides.
12 / 50
12. Hydrides of alkali metals react with water to liberate which of these?______________
13 / 50
13. Which of these alkali metals is the most electro-positive?______________
14 / 50
14. The elements which the extra electron enters(n2)f orbitals are called ________
15 / 50
15. Which of these alkalis has the most stable fluoride?______________
16 / 50
16. Which property was used by Mendeleev to classify elements?_______________
17 / 50
17. Alkaline metals are extracted mainly by _________
18 / 50
18. The tendency of an atom to attract towards itself shared electron pair of a bond is known as ________
19 / 50
19. Which of these periods of the periodic table has only eight elements? ________
20 / 50
20. Atoms of an element which have the same atomic number but different mass number is known as _________
21 / 50
_____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.
22 / 50
22. The most abundant metal in sea water is called ______.
23 / 50
23. The stability of alkali salts depend on ______
24 / 50
24. How many electrons are in potassium atom? __________
25 / 50
25. Within the alkali metals, atomic size _________ down the group.
26 / 50
26. Which of these statements is not true of metallic elements?_________
27 / 50
27. Increase in principal quantum number(n) means _________ of the atomic radii
28 / 50
28. Ortho and para-hydrogen exemplifies a type of isomerism referred to as __________ isomerism.
29 / 50
29. Berylium , an alkaline earth metal belongs to the _______ block elements.
30 / 50
30. Hydrogen can be obtained economically as a bi-product in the electrolysis of a compound called ________
31 / 50
31. Lithium in the form of lithium stearate is used for the production of a substance known as __________ which minimizes friction between moving parts.
32 / 50
32. The attractive force which binds hydrogen atom of one molecule with an electronegative atom of another molecule is known as _________
33 / 50
33. __________ is one of the isotopes of hydrogen whose neutron number is zero.
34 / 50
34. An element that shows some properties similar to alkali metals and some others similar to those of halogens is most likely to be _________
35 / 50
35. Inner transition elements are otherwise known as ________
36 / 50
36. _________ is a radioactive isotope of hydrogen obtained on a large scale by irradiation of Li/Mg alloy of $ LiFe{3}$ with slow neutrons.
37 / 50
37. The name given to group 2 elements in the periodic table is ________
38 / 50
38. Ionization energy ________ down the group within the alkali metals
39 / 50
39. All these can be used as raw materials for the production of oxygen except ______
40 / 50
40. A consequence of _______ is the formation of a chelate ring.
41 / 50
41. Why was Newlands law of octaves rejected? ____________
42 / 50
42. Which of these statements is not true of metallic hydrides? _______
43 / 50
43. _______ is a compound formed when hydrogen combines covalently with non-metals.
44 / 50
44. The f-blocks elements are otherwise known as ________
45 / 50
45. Magnesium hydride is an example of ________ hydride.
46 / 50
46. Elements which achieve a stable noble gas configuration by accepting just one electron are collectively called _______
47 / 50
47. Which of the isotopes of hydrogen is radioactive?_________
48 / 50
48. Which of these is not a covalent hydride? ______
49 / 50
49. The phenomenon in which a metal is surrounded by solvent molecules is called ________
50 / 50
50. Fuel cell have advantage over power plants in that its efficiency is _________
Restart quiz
Rate this quiz
