C-04-Q021mediumsingle_mcq
In Mendeleev's table how many elements were detected and how many cells were left blank for undetected ones?
In Mendeleev's table how many elements were detected and how many cells were left blank for undetected ones?
- a63 detected, 4 undetected
- b33 detected, 30 undetected
- c92 detected, 26 undetected
- d118 detected, 0 undetected