$Ra$ (Radium) is placed at the bottom of the alkaline earth metals. Which of the following is true for this element?
- AIt has the largest atomic size.
- BIt has the lowest density.
- CIt ionizes with the least ease.
- DIt is the least electropositive.
Explore More
Similar Questions
Thermal stability of $MCO_3$ is in order:
Difficult
View SolutionAmongst the following hydroxides,the one which has the highest value of $K_{sp}$ at ordinary temperature is
Sorel's cement is:
Easy
View SolutionIdentify the correct statement.
MediumAIPMT 1995
View Solution$A$ compound $X$ on heating gives a colourless gas. The residue is dissolved in water to obtain $Y$. Excess $CO_2$ is bubbled through the aqueous solution of $Y$ and $Z$ is formed. $Z$ on gentle heating gives back $X$. The compound $X$ is:
Difficult
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