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NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES
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Hard
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Understanding
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Consider the following statements:
I. Metals comprise more than of all known elements and appear on the left side of the periodic table.
II. Most non-metallic solids are brittle and are neither malleable nor ductile.
III. The elements become more metallic as we go down a group.
IV. The non-metallic character decreases as one goes from left to right across the periodic table.
Choose the option with all correct statements:
I. Metals comprise more than of all known elements and appear on the left side of the periodic table.
II. Most non-metallic solids are brittle and are neither malleable nor ductile.
III. The elements become more metallic as we go down a group.
IV. The non-metallic character decreases as one goes from left to right across the periodic table.
Choose the option with all correct statements:
View answer and explanation
Correct option: A
I, II and III
Option A (I, II and III) is correct because metals are abundant on the left side of the periodic table, non-metallic solids are brittle, and metallic character increases down a group.
More Questions from CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES
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The elements with zero electron affinity are
S-I: paramagnetic.
S-II: All the orbitals present in ion are doubly occupied. Which of the following is the most electropositive element? The law of Octaves is not applicable to: Assertion (A): Mendeleev's arranged elements in horizontal rows and vertical columns.
Reason (R): Mendeleev's ignored the order of atomic weight thinking that the atomic measurements might be incorrect. Which of the following electronic configuration does not belong to same block as others?
S-II: All the orbitals present in ion are doubly occupied. Which of the following is the most electropositive element? The law of Octaves is not applicable to: Assertion (A): Mendeleev's arranged elements in horizontal rows and vertical columns.
Reason (R): Mendeleev's ignored the order of atomic weight thinking that the atomic measurements might be incorrect. Which of the following electronic configuration does not belong to same block as others?