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