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Periodic Table MCQs | Periodic Table Choice Questions with Answers

Free download in PDF Periodic Table Multiple Choice Questions & Answers for competitive exams. These short objective type questions with answers are very important for competitive exams like IIT, JEE, NEET, AIIMS, JIPMER etc.
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(1) In fluorine, incoming electrons are repel by the
[A] Thick cloud
[B] Outer most shell
[C] Nucleus
[D] Atomic radii
Answer: Thick cloud
(2) Fluorine has electron affinity less than that of
[A] sodium
[B] potassium
[C] chlorine
[D] oxygen
Answer: Chlorine
(3) Modern periodic law had been given by—
[A] Mendeleev
[B] Lavoisier
[C] Moseley
[D] Lother-Mayer
Answer: Moseley

Periodic Table – Multiple Choice Questions with Answers | EBook

(4) In periodic table elements with similar valence shell configuration are placed in
[A] Different groups
[B] Same group
[C] Can be placed any where
[D] None of above
Answer: Same group
(5) Groups contain alkaline earth metals are
[A] IA
[B] IIIA
[C] IIA
[D] IVA
Answer: IIA
(6) The element with atomic weight 14 is
[A] Oxygen
[B] Boron
[C] Nitrogen
[D] Carbon
Answer: Nitrogen
(7) Ability of atom to attract electrons towards itself is called
[A] Electron affinity
[B] Electronegativity
[C] Ionization energy
[D] Shielding effect
Answer: Electronegativity
(8) Physical properties depends on the
[A] size of atom
[B] size of proton
[C] size of neutron
[D] no. of electrons
Answer: size of atom
(9) The horizontal lines in the modern periodic table are called—
[A] Metal
[B] Group
[C] Period
[D] None of the above
Answer: Period
(10) All the elements in a group in the periodic table have the same—
[A] Same number of valence electrons
[B] Atomic number
[C] Atomic weight
[D] None of the above
Answer: Same number of valence electrons
(11) In year 2016 , in which month new elements were found in the periodic table?
[A] February
[B] January
[C] March
[D] April
Answer: January
(12) When an electron is added in valence shell then
[A] Energy is absorbed
[B] Energy is released
[C] Energy remains same
[D] Force of attraction increases
Answer: Energy is released
(13) The law that "the physical and chemical properties of elements are periodic functions of their atomic weights" was given by
[A] Lothar Meyer
[B] Moseley
[C] Bohr
[D] Mendeleev
Answer: Mendeleev
(14) As we go from left to right across period, electron affinity
[A] Increases
[B] Decreases
[C] Remains same
[D] None of above
Answer: Increases
(15) Decrease in force of attraction between valence electrons and nucleus by inner electrons is called
[A] screening effect
[B] shielding effect
[C] photoelectric effect
[D] dopler effect
Answer: shielding effect
(16) Elements that lie in same column have
[A] similar properties
[B] different properties
[C] same physical properties
[D] different chemical properties
Answer: similar properties
(17) Value of ionization energy
[A] Decreases down the group
[B] Increases down the group
[C] Remains same down the group
[D] None of above
Answer: Decreases down the group
(18) The Law of Octaves was given by
[A] Mendeleev
[B] John Newlands
[C] Dobereiner
[D] Bohr
Answer: John Newlands
(19) The law that "the properties of elements are periodic functions of their atomic numbers" was given by
[A] Moseley
[B] Linus Pauling
[C] Heisenberg
[D] Mendeleev
Answer: Moseley
(20) Elements are arranged in order of
[A] Decreasing atomic number
[B] Decreasing atomic mass
[C] Increasing atomic number
[D] Increasing atomic mass
Answer: Increasing atomic number
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