11th Standard Syllabus & Materials
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Published on: 26/08/2019
Periodic Classification Of Elements
Download Tamil Nadu 11th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
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Take MCQ Chemistry Test
1.
Which of the following orders of ionic radii is correct?
H- > H+ > H
Na+ > F- > O2-
F > O2- > Na+
None of these
2.
The correct order of decreasing electronegativity values among the elements X, Y, Z and A with atomic numbers 4, 8, 7 and 12 respectively __________
Y > Z > X > A
Z > A > Y > X
X > Y > Z > A
X > Y > A > Z
3.
In the third period the first ionization potential is of the order.
Na > Al > Mg > Si > P
Na < Al < Mg < Si < P
Mg > Na > Si > P > Al
Na< Al < Mg < Si < P
4.
The electronic configuration of nitrogen is _____
Is22s22p3
Is22s2 2Px12py12P21
Is22s12p4
both (a) and (b)
5.
Lithium shows diagonal relationship with _____
Mg
Al
Na
Si
6.
The element with atomic number 57 belongs to _____
s-block
p-block
d-block
f-block
7.
The number of groups in the periodic table ___________
7
18
5
6
8.
The atomic weight of Au is ______
195
197
198
196
9.
______ proposed modern periodic law.
Henry Moseley
Mendeleev
Newland
Dobereiner
10.
Law of octaves was proposed by _____
Lothar Meyer
Johann Dobereiner
Newland
Mendeleev
11.
Law of triad was unable to explain for the element
Ca, Sr and Ba
Fe, Co, Ni
Li, Na, K
Cl, Br, I
12.
The first list of 23 chemical elements was published by _____ in the year 1789.
Berzelius
Dobereiner
Lavoisier
John Dalton
13.
Period of an element is represented by _____ quantum number
Principal
Azimuthal
Magnetic
Spin
14.
The group of elements in which the differentiating electron enters the anti penultimate shell of atoms are called ___________
p-block elements
d-block elements
s-block elements
f-block elements
15.
What would be the IUPAC name for an element with atomic number 222?
bibibiium
bididium
didibium
bibibium
1.
(d)
None of these
2.
(a)
Y > Z > X > A
3.
(b)
Na < Al < Mg < Si < P
4.
(d)
both (a) and (b)
5.
(a)
Mg
6.
(c)
d-block
7.
(b)
18
8.
(b)
197
9.
(a)
Henry Moseley
10.
(c)
Newland
11.
(b)
Fe, Co, Ni
12.
(c)
Lavoisier
13.
(a)
Principal
14.
(d)
f-block elements
15.
(d)
bibibium
11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - காவடிச்சிந்து Important Questions And Answers Study Material - QB365 Set A
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TN 11th Tamil பீடு பெற நில் - உரைநடை - மலை இடப்பெயர்கள் : ஓர் ஆய்வு Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - துணைப்பாடம் - யானை டாக்டர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - செய்யுள் - ஐங்குறுநூறு Important Questions And Answers Study Material - QB365 Set A
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