Question

Name the radioactive elements of s block

Answer 1

The s-block elements includehydrogen (H), helium (He), lithium (Li),beryllium (Be), sodium (Na),magnesium (Mg), potassium (K),calcium (Ca), rubidium (Rb), strontium(Sr), cesium (Cs), barium (Ba),francium (Fr) and radium (Ra). The periodic table shows exactly where these elements are within the s-block.

Answer 2

Answer:

Francium and Radium

Explanation:

Among the elements of alkali metals (group 1A), francium is the only radioactive metal.

Among the elements of alkali metals (group 2A), Radium is the only radioactive metal.