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Modern Periodic Table
1.
Which of the following pair of elements belong to the same group of the
periodic table?
2.
2) Mg, Sr
3) Mg, Cl
The number of elements present in 2nd, 3rd, 4th and 5th periods of
modern periodic table respec tively are
2) 8, 8, 18 & 18
3) 8, 18, 18 & 32
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1) 2, 8, 8 & 18
3.
4) 8, 8, 18 & 32
Elements of a same group will have same
1) Chemical properties
2) Outer Electronic Configuration
3) Number of valency electrons
4.
2) ns2 np3
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2) IIB
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1) IIA
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2) Fr & Rn
4) VA
3) Cs & Rn
4) Cs & Ra
1) Group VA and period IV
2) Group VIA and period III
3) Group VIIA and period IV
4) Group IVA and period V
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9.
3) Zero
Element with atomic number 35 belongs to
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8.
4) ns2 np2
The first and last elements of 6th period are respectively
1) Cs & Xe
7.
3) ns2 np1
In which of the following group Outer shell configuration is not same for
all the elements
6.
4) All of these
The general electronic configuration of elements of Boron family
1) ns2 np4
5.
4) Na, Cl
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1) Mg, Cs
Long Form of the the periodic table is graphical representation of
1) Pauli’s exclusion principle
2) Bohr’s model
3) Hund's rule
4) Aufbau principle
Which pairs of atomic numbers in the following represents elements of
the same group?
1) 11, 20
2) 12, 28
3) 9, 35
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4) 18, 26
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10. The total number of gaseous elements are
1) 8
2) 9
3) 10
4) 11
11. The general electronic configuration of d-block elements is
2) ns2(n–1)d1(n–2)f1–14
3 ) ns1–2 (n–1)d1–9
4) ns1–2 np6 (n–1)d1–10
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1) ns1–2 (n–1)d1 –10
12. Identify the correctly matched set among the following
1) Chromium - d - block - representative element
2) Sodium - d-block-inner transition element
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3) Thorium - f - block - transition element
4) Lanthanum - d - block - transition element
13. The numberof incompletely filled shells in inner transition elements is
1) Zero
2) One
3) Two
4) Three
14. The Colour of most of the transition metal ions is due to
1) d-d transition in U.V region
2) d-d transition in visible region
3) Their Higher Nuclear Charge
4) Variable Oxidation States
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1) Lanthanides
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15. ‘Rare earths’ are
3) Inner transition elements
2) f-block elements
4) All
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16. The lightest transition element is
1) Scandium
2) Zinc
3) Copper
4) Mercury
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17. The longest group in Modern periodic table is
2) VIIA
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1) IA
3) IIIB
4) VIIB
18. Atomic numbers of Inert gas elements are
1) 2, 10, 18, 36, 54, 8
2) 9, 17, 35, 53, 85
3)3, 11, 19, 37, 55, 87
4) 6, 14, 32, 50, 82
19. Most of the non-metals in the long form of the periodic table are present
in
1) p-block
2) f-block
3) d-block
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4) s-block
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20. Metal used as catalyst in the hydrogenation of vegetable oils
1) Iron
2) Molybdenum
3) Nickel
4) Any of these
21. The period that including all four blocks of elements is
1) II
2) VI
3) IV
4) V
22. Which block elements show fixed oxidation states
2) f-block
3) d-block
23. The following ion is colourless in aqueous solution
1) Ca2+
2) Fe2+
3) Mn2+
4) s-block
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1) p-block
4) Ni2+
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24. The rare gas that is most abundant in the atmosphere is
1) He
2) Ne
3) Ar
4) Kr
3) Cr
4) Pt
25. Which is not a transition metal?
1) Pd
2) Zn
26. The outer electronic configuration (n-1) d5ns1 indicates the element of
the group
1) VB
2) VA
3) VIA
4) VIB
2) Magnesium
3) Chlorine
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1) Phosphorous
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27. The electronic configuration 1s2 2s2 2p6 3s2 3p4 represents
4) Sulphur
28. The electronic configuration of an element is 1s22s22p63s23p3.
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atomic number of the element which is just
The
below the above element in
the periodic table is
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1) 49
2) 31
3) 34
4) 33
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29. (A): Zn is not a transition element.
(R): Elements with incompletel yfilled d-orbital are called transition
elements.
1) Both A and R are true and R correct explanation to A.
2) Both A and R are true but R is not correct explanation to A.
3) A is true and R is false.
4) Ais false and R is true.
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30. The element with the outer electronic configuration 3d64s2 will be
expected to
I) Form coloured ions
II) Form complex compounds
Choose the set of correct statements
1) Only I
2) I & II
3) Only III
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III) Have catalytic activity
4) I, II & III
1) 103
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31. Which of the following atomic number is named as Ununtrium?
2) 104
3) 110
4) 113
32. The IUPAC name of 104Rf is
1) Unnil hexium
2) Unnil quadrium
3) Unun quadrium
4) Unun pentium
33. The IUPAC name of 107Bh is
2) Unnil septium
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1) Unnil heptium
4) Unnil bium
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3) Unnil hexium
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34. In periodic table the liquid elements at room temperature are
1) Cd,Cl2
2) H2O,Hg
3) Hg,Br2
4) O2,N2
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35. Among IIA, IIIA, VA, VIA, VIIA groups gaseous elements are present in
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1) IA, IIA, VA only
2) IIIA, VA, VIIA only
.
3) VA, VIA, VIIA only
4) IIIA, VA, VIA only
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KEY
1)2 2) 2
3) 4
4)3
5) 3
6) 3
7) 3
8)4
9) 3
10)4
12)4 13)4
14)2
15) 4 16) 1
17)3 18)1
19)1
20)3
21) 2
22)4 23)1
24)1
25)2
27)4 28)4
29)1
30)4
31)4
32)2
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34)3
35)3
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32)2
26)3
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11)1
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