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Question-1
The inert gas which lies in third period is
(A)
Helium
(B)
Neon
(C)
Argon
(D)
Xenon
Question-2
The non-metallic character of the elements from left to right across the period
(A)
decreases
(B)
increases
(C)
remains the same
(D)
depends on the period
Question-3
Eka-aluminium and Eka-silicon are known as
(A)
gallium and germanium
(B)
aluminium and silicon
(C)
iron and sulphur
(D)
neutron and proton
Question-4
The atomic size from left to right across a perid
(A)
decreases
(B)
increases
(C)
remains the same
(D)
sometimes increases, sometimes decreases
Question-5
The ionization potential across a period
(A)
goes up and down
(B)
decreases
(C)
increases
(D)
remains the same
Question-6
The element with atomic number 26 will be found in group
(A)
2
(B)
8
(C)
6
(D)
10
Question-7
With reference to the variation of properties in the periodic table, which of the following is generally true?
(A)
Atomic size increases from left to right across a period.
(B)
Ionisation potential increases from left to right across a period.
(C)
Electron affinity increases going down a group.
(D)
Electronegativity increases going down a group.
Question-8
Which of the element whose atomic number is given below cannot accommodate in the present set up of the long form of the periodic table?
(A)
107
(B)
118
(C)
102
(D)
126
Question-9
The electron affinity of the elements in group 1 to 7
(A)
goes up and then down
(B)
decreases and then increases
(C)
increases
(D)
decreases
Question-10
The amount of energy released when one or more electrons is added to the neutral atom is
(A)
Electron affinity
(B)
Ionisation energy
(C)
Electronegativity
(D)
Atomicity
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Std 10
ICSE/ISC
Practice in Related Chapters
Modern Periodic Table
Acids,Bases and Salts
Electrolysis
Metallurgy
Organic Chemistry
Study of Compounds - Ammonia
Study of Compounds: Sulphuric Acid
Study of Compounds - Hydrogen Chloride
Study of Compounds: Nitric acid and Nitrates
Chemical Bonding
The Mole Concept and Stoichiometry
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