Question

____ discovered the radioactive element radium.

a.
Albert Einstein
c.
Gregor Mendel
b.
Louis Pasteur
d.
Marie Sklodowska Curie

Answer 1

D
Marie Sklodowska Curie

Answer 2

`\sf{\qquad\qquad\huge\underline{{\sf Answer}}}`

Radium ( a radioactive element having atomic number 88 ) was discovered by Marie Sklodowska Curie in year 1898.