A. Valency
B. Atomic mass
C. Atomic number
D. Valence electrons
0
Elements with similar chemical properties appear in the_________________?
0
Concept of Triads was introduced by_______________?
A. Same family
B. Same period
C. p block elements
D. Right upper corner
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Periodic table provides a basic framework to study elements with respect to their__________________?
A. Dobereiner
B. Newland
C. Mendeleev
D. Al-Razi
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Which of the following will not form crystalline structure with opporitely charged ions_________________?
A. Physical properties
B. Chemical properties
C. Properties of their compounds
D. All
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Which of the p-block elements are not representative elements ?
A. H+
B. H-
C. Mg2+
D. Ca2+
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Elements in the same vertical group of the periodic table have same_______________?
A. Alkali metals (I-A)
B. Group-14 elements (IV-A)
C. Group-18 elements (VIII-A)
D. Halogens (VII-A)
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