Abbreviations and Elements II quiz
Do you all of Mendeleev's elements? Can you identify an element by its abbreviation like Ra, Pu, Ce or Np?
Statistics
Total plays: | 26002 |
Average score: | 8.12 |
Do you all of Mendeleev's elements? Can you identify an element by its abbreviation like Ra, Pu, Ce or Np?
Statistics
Total plays: | 26002 |
Average score: | 8.12 |