A collection of elements in a group share chemical properties.
What is Periodic Table?
The elements are arranged in groups and periods on the periodic table. There is a great deal of chemical similarity between the elements in the same group. Only the number of valence shells is the same for elements that belong to the same period.
Each statement refers to the following elements:
(a) Smallest atomic radius in Group 6A(16) - oxygen
(b) Largest atomic radius in Period 6 - cesium
(c) Smallest metal in Period 3 - Aluminium
(d) Highest IE₁ in Group 4A(14) - carbon
(e) Lowest IE₁ in Period 5 - Bismuth
(g) Group 3A(13) element that forms the most basic oxide - Thallium
(h) Period 4 element with filled outer level - krypton
(i) Condensed ground-state electron configuration of [Ne] 3s²3p² - silicon
(j) Condensed ground-state electron configuration of [Kr] 5s²4d⁶- xenon
(k) Forms 2+ ion with electron configuration [Ar] 3d³ - vanadium
(l) Period 5 element that forms 3+ ion with pseudo–noble gas configuration - Indium
(m) Period 4 transition element that forms 3+ diamagnetic ion - Scandium
(n) Period 4 transition element that forms 2+ ion with a halffilled d sublevel - Manganese
(o) Heaviest lanthanide - Lutetium
(p) Period 3 element whose 2- ion is isoelectronic with Ar - sulfur
(q) Alkaline earth metal whose cation is isoelectronic with Kr - Strontium
(r) Group 5A(15) metalloid with the most acidic oxide - nitrogen
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