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