Question

6.
Name the non-radioactive element which is most
metallic​

Answer 1

Answer:

The most metallic element is francium. However, francium is a man-made element, except for one isotope, and all isotopes are so radioactive they almost instantly decay into another element.

hope it helps

Answer 2

Answer:

radium

Explanation:

radium is the only radio active metal on earth it explodes by only radio signols