Tags Classification of Elements

Classification of Elements

Get insights from 22 questions on Classification of Elements, answered by students, alumni, and experts. You may also ask and answer any question you like about Classification of Elements

Follow Ask Question

Questions

Discussions

Active Users

Followers

New answer posted

2 months ago

Classification of Elements Class 11th

The pair, in which ions are isoelectronic with Al³⁺ is:

0 Follower 1 View

Vishal Baghel

Contributor-Level 10

O^-2 & Mg⁺² are isoelectronic with Al⁺³

0 0

New answer posted

2 months ago

Classification of Elements Class 11th

Given below are two statement: one is labeled as Assertion (A) and the other is labeled as Reason (R)

Assertion (A) : The ionic radii of O²⁺ and Mg²⁺ are same

Reason (R) : Both O²⁺ and Mg²⁺ are isoelectronic species

In the light of the above statement, choose the correct answer from the options below.

0 Follower 2 Views

Vishal Baghel

Contributor-Level 10

Ionic radius of isoelectronic species depends upon $\frac{Z}{e}$ $\frac{}{}$ ratio; Hence Ionic radius of $O^{- -} >$ $^{}$ ionic radius of Mg+

0 0

New answer posted

2 months ago

Classification of Elements Class 11th

In which of the following pairs, electron gain enthalpies of constituent elements are nearly the same or identical?

0 Follower 2 Views

Vishal Baghel

Contributor-Level 10

Rb and Cs has nearly same $Δ_{e . g} H = - 46 k J / m o l e$ $_{}$

Ar and Kr has same $Δ_{e . g .} H = + 96 k J / m o l e$ $_{}$

0 0

New answer posted

2 months ago

Classification of Elements Class 11th

In the structure of SF₄, the lone pair of electrons on S is in.

0 Follower 1 View

alok kumar singh

Contributor-Level 10

Geometry of SF₄ is trigonal bipyramidal, in which there is one lonepair which occupy equatorial position as,

There are two lone pair – bond pair repulsions at 90°

0 0

New answer posted

2 months ago

Classification of Elements Chemistry NCERT Exemplar Solutions Class 12th Chapter Three

The first ionization enthalpy on Na, Mg and Si, respectively, are : 496, 737 and 786 kJ mol^-¹. The first ionization enthalpy (kJ mol^-¹) of Al is:

0 Follower 1 View

Vishal Baghel

Contributor-Level 10

Following is the trends of I.E. of given metals $(1^{s t} I . P) N a < A l < M g < S i$

0 0

Get authentic answers from experts, students and alumni that you won't find anywhere else

On Shiksha, get access to

65k Colleges
1.2k Exams
688k Reviews
1800k Answers

Community GuidelinesUser Points System

QuestionsDiscussionsTags

Need guidance on career and education? Ask our experts

Your Question

Classification of Elements

Questions

Discussions

Active Users

Followers

All

Discussions

Unanswered Questions

Share Your College Life Experience