Which of the following elements can be represented by the electronic configuration $[Kr]\,5s^2$?
- A$Ca$
- B$Sr$
- C$Ba$
- D$Ra$
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Similar Questions
Match List-$I$ with List-$II$:
List-$I$ List-$II$ $a$. $Be$ $i$. Treatment of cancer $b$. $Mg$ $ii$. Extraction of metals $c$. $Ca$ $iii$. Incendiary bombs and signals $d$. $Ra$ $iv$. Windows of $X$-ray tubes $v$. Bearings for motor engines
Choose the most appropriate answer from the options given below:
| List-$I$ | List-$II$ |
| $a$. $Be$ | $i$. Treatment of cancer |
| $b$. $Mg$ | $ii$. Extraction of metals |
| $c$. $Ca$ | $iii$. Incendiary bombs and signals |
| $d$. $Ra$ | $iv$. Windows of $X$-ray tubes |
| $v$. Bearings for motor engines |
Choose the most appropriate answer from the options given below:
Which of the following alkaline earth metal sulphates has hydration enthalpy higher than the lattice enthalpy?
MediumAIPMT 2010
View SolutionWhy does the solubility of alkaline earth metal hydroxides in water increase down the group?
Easy
View SolutionWhich of the following has the highest melting point?
Medium
View SolutionHow is calcium hydroxide prepared?
Easy
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