Question

polonium and radium two Nobel prize​

Answer 1

Explanation:

Marie Curie

When Marie Curie came to the United States for the first time, in May 1921, she had already discovered the elements radium and polonium, coined the term “radio-active” and won the Nobel Prize—twice.

Answer 2

Answer:

radium is a nobel gase.because it consists of 8 valance electron. thus,it is stable element.