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