Class 11ChemistryClassification of Elements and Periodicity in PropertiesMix Examples - Classification of Elements and Periodicity in Properties
EasyChoose the correct statement.
- AIonization energy and electron affinity increase across a period.
- BIonization energy increases but electron affinity decreases along a period.
- CIonization energy decreases but electron affinity increases.
- DBoth decrease along a period.
Explore More
Similar Questions
Consider the following four elements which are represented according to the long form of the periodic table. Here $W, Y$ and $Z$ are left,up and right elements with respect to the element $X$. $Y$ belongs to the $16^{th}$ group and $2^{nd}$ period. Then,according to the given information,identify the incorrect statement regarding the given elements.
Difficult
View SolutionCompare the ionization enthalpy and electron gain enthalpy values of the elements given below:
Element Description Element $\Delta_{i}H_1$ $\Delta_{i}H_2$ $\Delta_{eg}H$ $(i)$ Most reactive non-metal $(A)$ $419$ $3051$ $-48$ $(ii)$ Most reactive metal $(B)$ $1681$ $3374$ $-328$ $(iii)$ Least reactive element $(C)$ $738$ $1451$ $-40$ $(iv)$ Metal forming dihalide $(D)$ $2372$ $5251$ $+48$
| Element Description | Element | $\Delta_{i}H_1$ | $\Delta_{i}H_2$ | $\Delta_{eg}H$ |
| $(i)$ Most reactive non-metal | $(A)$ | $419$ | $3051$ | $-48$ |
| $(ii)$ Most reactive metal | $(B)$ | $1681$ | $3374$ | $-328$ |
| $(iii)$ Least reactive element | $(C)$ | $738$ | $1451$ | $-40$ |
| $(iv)$ Metal forming dihalide | $(D)$ | $2372$ | $5251$ | $+48$ |
Medium
View SolutionWhich has maximum $EA$,$EN$ and $IP$ respectively $:-$
$A = 1s^2 \ 2s^2 \ 2p^6$
$B = 1s^2 \ 2s^2 \ 2p^6 \ 3s^2 \ 3p^5$
$C = 1s^2 \ 2s^2 \ 2p^5$
$D = 1s^2 \ 2s^2 \ 2p^6 \ 3s^1$
$A = 1s^2 \ 2s^2 \ 2p^6$
$B = 1s^2 \ 2s^2 \ 2p^6 \ 3s^2 \ 3p^5$
$C = 1s^2 \ 2s^2 \ 2p^5$
$D = 1s^2 \ 2s^2 \ 2p^6 \ 3s^1$
Medium
View SolutionWhich of the following statement$(s)$ is/are correct?
Difficult
View SolutionFluorine,chlorine,bromine and iodine are placed in the same group $(17)$ of the periodic table,because
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo