Questions :
William Crookes was a physical chemist who discovered and named the element ______.
Options :
- Plutonium
- Germanium
- Thallium
- Beryllium
correct answer : c)
Explanation :
William Crookes discovered and named the element thallium.
Questions :
William Crookes was a physical chemist who discovered and named the element ______.
Options :
correct answer : c)
Explanation :
William Crookes discovered and named the element thallium.