Name the element described in each of the following: (a) Smallest atomic radius

Question

Name the element described in each of the following: (a) Smallest atomic radius in Group 6A(16) (b) Largest atomic radius in Period 6 (c) Smallest metal in Period 3 (d) Highest IE1, in Group 4A(14] (e) Lowest IE1, in Period 5 (f) Most metallic in Group 5A(15) (g) Group 3A(13) element that forms the most basic oxide (h) Period 4 element with filled outer level (i) Condensed ground-state electron configuration of [Ne] 3s23p2 (j) Condensed ground-state electron configuration of [Kr] 5s24d6 (k) Forms 2+ ion with electron configuration [Ar] 3d3 (l) Period 5 element that forms 3+ ion with pseudo-noble gas configuration (m) Period 4 transition element that forms 3+ diamagnetic ion (n) Period 4 transition element that forms 2+ ion with a hall-filled d sublevel (o) Heaviest lanthanide (p) Period 3 element whose 2– ion is isoelectronic with Ar (q) Alkaline earth metal whose cation is isoelectronic with Kr (r) Group 5A(15) metalloid with the most acidic oxide Name the element described in each of the following: (a) Smallest atomic radius in Group 6A(16) (b) Largest atomic radius in Period 6 (c) Smallest metal in Period 3 (d) Highest IE1, in Group 4A(14] (e) Lowest IE1, in Period 5 (f) Most metallic in Group 5A(15) (g) Group 3A(13) element that forms the most basic oxide (h) Period 4 element with filled outer level (i) Condensed ground-state electron configuration of [Ne] 3s23p2 (j) Condensed ground-state electron configuration of [Kr] 5s24d6 (k) Forms 2+ ion with electron configuration [Ar] 3d3 (l) Period 5 element that forms 3+ ion with pseudo-noble gas configuration (m) Period 4 transition element that forms 3+ diamagnetic ion (n) Period 4 transition element that forms 2+ ion with a hall-filled d sublevel (o) Heaviest lanthanide (p) Period 3 element whose 2– ion is isoelectronic with Ar (q) Alkaline earth metal whose cation is isoelectronic with Kr (r) Group 5A(15) metalloid with the most acidic oxide Name the element described in each of the following: (a) Smallest atomic radius in Group 6A(16) (b) Largest atomic radius in Period 6 (c) Smallest metal in Period 3 (d) Highest IE1, in Group 4A(14] (e) Lowest IE1, in Period 5 (f) Most metallic in Group 5A(15) (g) Group 3A(13) element that forms the most basic oxide (h) Period 4 element with filled outer level (i) Condensed ground-state electron configuration of [Ne] 3s23p2 (j) Condensed ground-state electron configuration of [Kr] 5s24d6 (k) Forms 2+ ion with electron configuration [Ar] 3d3 (l) Period 5 element that forms 3+ ion with pseudo-noble gas configuration (m) Period 4 transition element that forms 3+ diamagnetic ion (n) Period 4 transition element that forms 2+ ion with a hall-filled d sublevel (o) Heaviest lanthanide (p) Period 3 element whose 2– ion is isoelectronic with Ar (q) Alkaline earth metal whose cation is isoelectronic with Kr (r) Group 5A(15) metalloid with the most acidic oxide

Explanation / Answer

A.

Oxygen

B.

Cesium

C.

Aluminium

D.

Carbon

E.

Rubidium

F.

Bismuth

G.

Thallium

H.

Krypton

I.

Silicon

J.

Ruthenium

K.

Vanadium

L.

Indium

M.

Yttrium

N.

Technicium

O.

Lutetium

P.

Sulphur

Q.

Strontium

R.

As2O3

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