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Classification of Elements and Periodicity in Properties

173 Questions Start Allen Test
All Exams Errorless Allen
Q1 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
Mendeleev periodic table is based on :-
A.
Atomic number
B.
Increasing order of number of protons
C.
Electronic configuration
D.
None of the above
Q2 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
Which of the following sets of elements follows Newland's octave rule:-
A.
Be, Mg, Ca
B.
Na, K, Rb
C.
F, Cl, Br
D.
B, Al, Ga
Q3 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
The places that were left empty by Mendeleev were, for:-
A.
Aluminium and silicon
B.
Gallium and germanium
C.
Arsenic and antimony
D.
Molybdenum and tungsten
Q4 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
Which is not anomalous pair of elements in the Medeleev's periodic table:-
A.
Ar and K
B.
Co and Ni
C.
Te and I
D.
Al and Si
Q5 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
The law of triads is applicable to :-
A.
Os, Ir, Pt
B.
Ca, Sr, Ba
C.
Fe, Co, Ni
D.
Ru, Rh, Pt
Q6 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
Elements which occupied position in the lother meyer curve, on the peaks, were :-
A.
Alkali metals
B.
Highly electro positive elements
C.
Elements having large atomic volume
D.
All
Q7 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
In a period, the elements are arranged in :-
A.
Decreasing order of nuclear charge
B.
Decreasing order of No. of electrons
C.
Increasing order of nuclear charge
D.
In order of same nuclear charge CPT010
Q8 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
Which of the following statement is wrong:
A.
$4^{\text{th}}$ period contains 18 elements
B.
$3^{\text{rd}}$ period contains 18 elements
C.
$1^{\text{st}}$ period contains two gaseous elements
D.
In p-block, metal, non-metal and metalloids are present
Q9 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
The discovery of which of the following group of elements gave a death blow to the Newlands Law:-
A.
Inert gases
B.
Alkali metals
C.
Transuranic element
D.
Halogens
Q10 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
In a group, reason of periodicity is :-
A.
Same number of electrons in their atom
B.
Same ionisation potential
C.
Same valence shell electronic configuration
D.
Electrons present in the same subshells
Q11 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
Which of the following element was absent in the Mendeleev's periodic table :-
A.
Tc
B.
Si
C.
B
D.
F
Q12 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
Which statement is wrong for the long form of periodic table :-
A.
Number of periods are 7 and groups 18
B.
No. of valence shell electrons in a period are same
C.
$3^{rd}$ group contains 32 elements
D.
Lanthanides and actinides are placed in same group
Q13 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
The elements which are cited as an example to prove the validity of mendeleev's periodic law are
A.
H, He
B.
Ga, Sc
C.
Co, Ni
D.
Zr, Hf
Q14 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
According to the latest IUPAC recommendation the inert gases are in :-
A.
Zero group
B.
Eighth group
C.
Eighteenth group
D.
All are correct
Q15 Allen 1. DEVELOPMENT OF PERIODIC TABLE MCQ
Elements having atomic number 112 is named as:-
A.
Roentgenium
B.
Copernicium
C.
Flerovium
D.
Livermorium
Q16 Allen 2. PERIOD, GROUP AND BLOCK MCQ
Which of the following set of elements belongs to same period :-
A.
Zn, Cd, Hg
B.
Fr, Ra, U
C.
K, Ca, Ag
D.
None
Q17 Allen 2. PERIOD, GROUP AND BLOCK MCQ
The element with atomic number Z = 115 will be placed in :-
A.
$7^{th}$ period, IA group
B.
$8^{th}$ period, IVA group
C.
$7^{th}$ period, VA group
D.
$6^{th}$ period, VB group
Q18 Allen 2. PERIOD, GROUP AND BLOCK MCQ
The number of elements in 5th and 6th period of periodic table are respectively :-
A.
8, 18
B.
18, 18
C.
18, 32
D.
18, 28
Q19 Allen 2. PERIOD, GROUP AND BLOCK MCQ
The eighteenth element of periodic table resembles with :-
A.
Eleventh element
B.
Second element
C.
Tenth element
D.
Second and tenth both element
Q20 Allen 2. PERIOD, GROUP AND BLOCK MCQ
The IUPAC name of the element which is placed after $Db_{105}$ is the periodic table, will be:-
A.
Un nil pentium
B.
Un un nilium
C.
Un nil hexium
D.
Un nil quadium
Q21 Allen 2. PERIOD, GROUP AND BLOCK MCQ
The element with atomic number Z=118 will be :-
A.
Noble gas
B.
Transition metal
C.
Alkali metal
D.
Alkaline earth metal
Q22 Allen 2. PERIOD, GROUP AND BLOCK MCQ
The atom having the valence shell electronic configuration $4s^{2}$ $4p^{2}$ would be in:
A.
Group II A and period 3
B.
Group II B and period 4
C.
Group IV A and period 4
D.
Group IV A and period 3
Q23 Allen 2. PERIOD, GROUP AND BLOCK MCQ
In the periodic table, where are non-metals located
A.
Between groups II A and III A
B.
On the lower left hand side
C.
On the upper left hand side
D.
On the upper right hand side
Q24 Allen 2. PERIOD, GROUP AND BLOCK MCQ
Elements with similar chemical properties :-
A.
Occur only within the same period
B.
Have identical atomic mass (weight)
C.
Have identical number of neutrons
D.
Have the same number of electrons in the outer most shell.
Q25 Allen 2. PERIOD, GROUP AND BLOCK MCQ
The chemistry of lithium is very similar to that of magnesium even though they are placed in different groups. Its reason is:
A.
Both are found together in nature
B.
Both have nearly the same size
C.
Both have similar electronic configurations
D.
The ratio of their charge to size is nearly the same