CHM101
1 / 52
_____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.
2 / 52
B. Which of these statements is not true of metallic elements?_________
3 / 52
C. The f-blocks elements are otherwise known as ________
4 / 52
D. Lithium in the form of lithium stearate is used for the production of a substance known as __________ which minimizes friction between moving parts.
5 / 52
E. Which of these alkalis has the most stable fluoride?______________
6 / 52
F. Fuel cell have advantage over power plants in that its efficiency is _________
7 / 52
G. __________ is one of the isotopes of hydrogen whose neutron number is zero.
8 / 52
H. Hydrogen is discharged at ___________ electrode during the electrolysis of brine
9 / 52
I. The most abundant metal in sea water is called ______.
10 / 52
J. Ionization energy ________ down the group within the alkali metals
11 / 52
K. The tendency of an atom to attract towards itself shared electron pair of a bond is known as ________
12 / 52
L. Ortho and para-hydrogen exemplifies a type of isomerism referred to as __________ isomerism.
13 / 52
M. The elements which the extra electron enters(n2)f orbitals are called ________
14 / 52
N. Elements which achieve a stable noble gas configuration by accepting just one electron are collectively called _______
15 / 52
O. Which of these statements is not true of metallic hydrides? _______
16 / 52
P. Which property was used by Mendeleev to classify elements?_______________
17 / 52
Q. _________ metals react with sulphur to form simple sulphides and polysulphides.
18 / 52
R. Hydrogen can be obtained economically as a bi-product in the electrolysis of a compound called ________
19 / 52
S. Halogens have ________ electron affinity
20 / 52
T. Why was Newlands law of octaves rejected? ____________
21 / 52
U. How many elements are there in period 6 of the periodic table ? __________
22 / 52
V. A consequence of _______ is the formation of a chelate ring.
23 / 52
W. All these can be used as raw materials for the production of oxygen except ______
24 / 52
X. $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{7}4s^{2}$ is the electronic configuration for an element with atomic number ___________
25 / 52
Y. Atoms of an element which have the same atomic number but different mass number is known as _________
26 / 52
Z. Which of the following is not true as we move down a group of s and p-block elements in the periodic table? ________
27 / 52
AA. Stability of alkali salts depends on which of the following?_______________
28 / 52
AB. Which of these elements behave partly as the alkaline metals as well as a halogen element? _________
29 / 52
AC. _______ is a compound formed when hydrogen combines covalently with non-metals.
30 / 52
AD. The attractive force which binds hydrogen atom of one molecule with an electronegative atom of another molecule is known as _________
31 / 52
AE. _________ is a radioactive isotope of hydrogen obtained on a large scale by irradiation of Li/Mg alloy of $ LiFe{3}$ with slow neutrons.
32 / 52
AF. The phenomenon in which a metal is surrounded by solvent molecules is called ________
33 / 52
AG. How many electrons are in potassium atom? __________
34 / 52
AH. The percentage of deuterium in natural occurring hydrogen is ________
35 / 52
AI. Which of these elements has the electronic configuration of $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{1}$? __________
36 / 52
AJ. Which of the isotopes of hydrogen is radioactive?_________
37 / 52
AK. Alkaline metals are extracted mainly by _________
38 / 52
AL. Berylium , an alkaline earth metal belongs to the _______ block elements.
39 / 52
AM. Within the alkali metals, atomic size _________ down the group.
40 / 52
AN. Which of these periods of the periodic table has only eight elements? ________
41 / 52
AO. The alkali metals belong to the _______ elements
42 / 52
AP. Which of these alkali metals is the most electro-positive?______________
43 / 52
AQ. The presence of hydrogen bond in most molecules is responsible for the following EXCEPT ________
44 / 52
AR. The stability of alkali salts depend on ______
45 / 52
AS. Hydrides of alkali metals react with water to liberate which of these?______________
46 / 52
AT. Hydride ion is unusually _________ with respect to size
47 / 52
AU. Magnesium hydride is an example of ________ hydride.
48 / 52
AV. Inner transition elements are otherwise known as ________
49 / 52
AW. An element that shows some properties similar to alkali metals and some others similar to those of halogens is most likely to be _________
50 / 52
AX. Which of these is not a covalent hydride? ______
51 / 52
AY. The name given to group 2 elements in the periodic table is ________
52 / 52
AZ. Increase in principal quantum number(n) means _________ of the atomic radii
Restart quiz
Rate this quiz