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Classification of Elements and Periodicity in Properties

571 Questions Start Errorless Test
All Exams Errorless Allen
CPMT 1988 Q351 Errorless Extended or long form of periodic table MCQ
The tenth elements in the periodic table resembles with the
A.
First period
B.
Second period
C.
Fourth group
D.
Ninth group
CPMT 1988; MP PET 1993; Pb. CET 2003; MP PMT 2006 Q352 Errorless Extended or long form of periodic table MCQ
Aluminium is diagonally related to (in periodic table)
A.
Li
B.
C
C.
B
D.
Be
AFMC 1988 Q353 Errorless Extended or long form of periodic table MCQ
The lightest metal is
A.
Li
B.
Mg
C.
Ca
D.
Na
IIT 1988 Q354 Errorless Critical Thinking MCQ
The first ionization potential of Na, Mg, Al and Si are in the order
A.
Na < Mg > Al < Si
B.
Na > Mg > Al > Si
C.
Na < Mg < Al < Si
D.
Na > Mg > Al < Si
EAMCET 1987, 90; RPMT 1997; MP PET 2003; Bihar CEE 2006 Q355 Errorless Extended or long form of periodic table MCQ
Which pair of elements has same chemical properties
A.
13, 22
B.
3, 11
C.
4, 24
D.
2, 4
IIT 1987 Q356 Errorless Critical Thinking MCQ
The first ionization potential in electron volts of nitrogen and oxygen atoms are respectively given by
A.
14.6, 13.6
B.
13.6, 14.6
C.
13.6, 13.6
D.
14.6, 14.6
IIT 1987 Q357 Errorless Critical Thinking MCQ
Atomic radii of fluorine and neon in Angstrom unit are respectively given by
A.
0.72, 1.60
B.
1.60, 1.60
C.
0.72, 0.72
D.
None of these values
IIT 1987 Q358 Errorless Critical Thinking MCQ
The electronegativity of the following elements increases in the order
A.
$C,N,Si,P$
B.
$N,Si,C,P$
C.
$Si,P,C,N$
D.
$P,Si,N,C$
CPMT 1986; KCET 1998 Q359 Errorless Extended or long form of periodic table MCQ
The long form of periodic table has
A.
Eight horizontal rows and seven vertical columns
B.
Seven horizontal rows and eighteen vertical columns
C.
Seven horizontal rows and seven vertical columns
D.
Eight horizontal rows and eight vertical columns
Pb. CET 1986; CBSE PMT 1997; Kurukshetra CEE 1998; RPMT 1999; DCE 1999, 2007; MP PET 2000; MP PMT 2001; BCECE 2005 Q360 Errorless Atomic and Ionic radii MCQ
Which one is the correct order of the size of the iodine species
A.
$I > I^{+} > I^{-}$
B.
$I > I^{-} > I^{+}$
C.
$I^{+} > I^{-} > I$
D.
$I^{-} > I > I^{+}$
MP PMT 1986 Q361 Errorless Atomic and Ionic radii MCQ
In third row of periodic table the atomic radii from Na to Cl
A.
Continuously decreases
B.
Continuously increases
C.
Remains constant
D.
Increases but not continuously
MP PET 1986 Q362 Errorless Electronegativity MCQ
In third row of periodic table from Na to Cl
A.
Electronegativity increases
B.
Electronegativity decreases
C.
Ionisation energy decreases
D.
Atomic volume increases
CPMT 1985; UPSEAT 2001; BHU 2003 Q363 Errorless Extended or long form of periodic table MCQ
Which of the following pairs has both members from the same period of the periodic table
A.
$Na - Ca$
B.
$Na - Cl$
C.
$Ca - Cl$
D.
$Cl - Br$
CPMT 1985; AIEEE 2011 Q364 Errorless Valency and oxidation state MCQ
Which one of the following orders presents the correct sequence of the increasing basic nature of the given oxides
A.
$Al_{2}O_{3} < MgO < Na_{2}O < K_{2}O$
B.
$MgO < K_{2}O < Al_{2}O_{3} < Na_{2}O$
C.
$Na_{2}O < K_{2}O < MgO < Al_{2}O_{3}$
D.
$K_{2}O < Na_{2}O < Al_{2}O_{3} < MgO$
DPMT 1984; UPSEAT 2001 Q365 Errorless Extended or long form of periodic table MCQ
Diagonal relationship is shown by
A.
Elements of first period
B.
Elements of second period
C.
Elements of third period
D.
Both b and c
CPMT 1983 Q366 Errorless Valency and oxidation state MCQ
Out of the following elements which one do you expect to be most reactive chemically
A.
Mg
B.
Ca
C.
Sr
D.
Ba
AIIMS 1982 Q367 Errorless Extended or long form of periodic table MCQ
Elements after atomic number 103 have not been discovered till now. If an element with atomic number 106 were ever discovered which of the following electronic configuration will it possess
A.
$[Rn]5f^{14}6d^{4}7s^{2}$
B.
$[Rn]5f^{14}6d^{5}7s^{1}$
C.
$[Rn]5f^{14}6d^{6}7s^{0}$
D.
$[Rn]5f^{14}6d^{1}7s^{2}7p^{3}$
CPMT 1982 Q368 Errorless Extended or long form of periodic table MCQ
The elements having the electronic configuration, $[Kr]$ $4d^{10}, 4f^{14}, 5s^2, 5p^6, 5d^2, 6s^2$ belongs to
A.
s-block
B.
$p$ -block
C.
$d$ -block
D.
$f$ -block
AIIMS 1982; DPMT 1982 Q369 Errorless Atomic and Ionic radii MCQ
Which has the maximum atomic radius
A.
Al
B.
Si
C.
P
D.
Mg
CPMT 1982 Q370 Errorless Ionisation Energy MCQ
In a period from Li to F, ionisation potential
A.
Increases
B.
Decreases
C.
Remains same
D.
None of the above
CPMT 1982, 93 Q371 Errorless Ionisation Energy MCQ
Which of the following has least ionisation potential
A.
Li
B.
Cs
C.
Cl
D.
I
AIIMS 1982; CPMT 1994; MP PMT 2000 Q372 Errorless Electronegativity MCQ
Which one of the following represents the electronic configuration of the most electropositive element
A.
$[He]2s^{1}$
B.
$[Xe]6s^{1}$
C.
$[He]2s^{2}$
D.
$[Xe]6s^{2}$
CPMT 1982, 99; Bihar CEE 2006 Q373 Errorless Electronegativity MCQ
Most electronegative element is
A.
Al
B.
C
C.
Si
D.
Be
AIIMS 1982 Q374 Errorless Valency and oxidation state MCQ
Thalium shows different oxidation states because
A.
It is a transition element
B.
Of inert pair effect
C.
Of its amphoteric character
D.
Of its higher reactivity
CPMT 1982 Q375 Errorless Valency and oxidation state MCQ
Acidity of pentoxides in VA group
A.
Decreases
B.
Increases
C.
Remains same
D.
None