वसुंधरा माध्यमिक विद्यालय, आष्टी.
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2. PERIODIC CLASSIFICATION OF ELEMENTS
1)………….gave the idea for the first time to classify elements as per their properties.
A. Mendeleev B. Dobereiner
C. Newland D. John
2) Which of the following is not a Dobereiner triad?
A. Li, Na, K B. He, Na, Ar
C. Ca, Sr, Ba D. Cl , Br, I
3) The property of every eight element is similar to that of the first element. This is proposed
by……………..
A. Thomson B. Dobereiner
C. Mendeleev D. John Newland
4) Newlands law of octaves is only valid up to…………….
A. Hydrogen B. Calcium
C. Oxygen D. Sulphur
5) The periodic functions of the ……….are the properties of respective elements.
A. Atomic masses B. Atomic number
C. Chemical properties D. No of protons
6) Eka- Aluminium is …………..
A. Germanium B. Gallium
C. Silicon C. Scandium
7) Vertical columns are called as -
A. groups B. periods
C. rows D.none
8) How many groups are there in the periodic table?
A. 18 B. 8
C. 28 D. 17
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, 9) Which group was added in Mendleev's periodic table?
A. I group B.VIII group
C. zero group D.V group
10) What is the special name given to the 17th group?
A. Chalcogens B. Halogens
C. alkali metals D. inert gases
11) Atomic mass is equal to the sum of ____.
A. P+N B. P+E
C. Number of Protons D. Number of neutrons
12) Upto which element, the law of octaves was found to be applicable -
A. Oxygen B. Calcium
C. Cobalt D. Potassium
13) According to Mendeleev's Periodic law, the elements were arranged in Periodic table
according to -
A. Increasing atomic number B. Decreasing atomic number
C. Increasing atomic masses D. Decreasing atomic masses
14) In Mendeleev's Periodic table, gaps were left for many elements. Pick any one out of them.
A. Germanium B. Chlorine
C. Oxygen D. Silicon
15) Isotopes possess -
A. same number of Protons B. same number of neutrons
C. same mass number D. none
16) Which out of them is not a halogen?
A. Fluorine B. Chlorine
C. Iodine D. Germanium
17) The standard element chosen for relative atomic mass is __.
A. Carbon-12 B. Hydrogen-1
C. chlorine -35 D.Iodine -121
18) The law of octaves is given by ___.
A. Mendeleev B. Newlands
C. Bohr D. Mosley
19) The modern periodic table is given by ____.
A. Mendeleev B. Newlands
C. Bohr D. Mosley
2|Page PRO.NAIKSIR MO.8975016339
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2. PERIODIC CLASSIFICATION OF ELEMENTS
1)………….gave the idea for the first time to classify elements as per their properties.
A. Mendeleev B. Dobereiner
C. Newland D. John
2) Which of the following is not a Dobereiner triad?
A. Li, Na, K B. He, Na, Ar
C. Ca, Sr, Ba D. Cl , Br, I
3) The property of every eight element is similar to that of the first element. This is proposed
by……………..
A. Thomson B. Dobereiner
C. Mendeleev D. John Newland
4) Newlands law of octaves is only valid up to…………….
A. Hydrogen B. Calcium
C. Oxygen D. Sulphur
5) The periodic functions of the ……….are the properties of respective elements.
A. Atomic masses B. Atomic number
C. Chemical properties D. No of protons
6) Eka- Aluminium is …………..
A. Germanium B. Gallium
C. Silicon C. Scandium
7) Vertical columns are called as -
A. groups B. periods
C. rows D.none
8) How many groups are there in the periodic table?
A. 18 B. 8
C. 28 D. 17
1|Page PRO.NAIKSIR MO.8975016339
, 9) Which group was added in Mendleev's periodic table?
A. I group B.VIII group
C. zero group D.V group
10) What is the special name given to the 17th group?
A. Chalcogens B. Halogens
C. alkali metals D. inert gases
11) Atomic mass is equal to the sum of ____.
A. P+N B. P+E
C. Number of Protons D. Number of neutrons
12) Upto which element, the law of octaves was found to be applicable -
A. Oxygen B. Calcium
C. Cobalt D. Potassium
13) According to Mendeleev's Periodic law, the elements were arranged in Periodic table
according to -
A. Increasing atomic number B. Decreasing atomic number
C. Increasing atomic masses D. Decreasing atomic masses
14) In Mendeleev's Periodic table, gaps were left for many elements. Pick any one out of them.
A. Germanium B. Chlorine
C. Oxygen D. Silicon
15) Isotopes possess -
A. same number of Protons B. same number of neutrons
C. same mass number D. none
16) Which out of them is not a halogen?
A. Fluorine B. Chlorine
C. Iodine D. Germanium
17) The standard element chosen for relative atomic mass is __.
A. Carbon-12 B. Hydrogen-1
C. chlorine -35 D.Iodine -121
18) The law of octaves is given by ___.
A. Mendeleev B. Newlands
C. Bohr D. Mosley
19) The modern periodic table is given by ____.
A. Mendeleev B. Newlands
C. Bohr D. Mosley
2|Page PRO.NAIKSIR MO.8975016339
