mathew586
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Over 8 years agomathew586 added a new comment in
Over 8 years agomathew586 added a new comment in
1.On December 30, the International Union of Pure and Applied Chemistry announced that elements 113, 115, 117 and 118 are now approved to join the prestigious periodic table. there are four elements 2.The first table that was created in 1869 by Russian chemist Dmitri Mendeleev. he listed 59 naturally occurring elements. they were arranged by protons 3. they were heavy.Almost 9 years agomathew586 added a new comment in
Almost 9 years ago
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Most DOGO Points
Rank | Name | Score |
---|---|---|
206449 | mathewry | 5 points |
206450 | mathewf | 5 points |
206451 | mathewclass1270 | 5 points |
206452 | mathew_s | 5 points |
206453 | mathew661 | 5 points |
206454 | mathew586 | 5 points |
206455 | mathew123 | 5 points |
206456 | mathew100 | 5 points |
206457 | mathew0326 | 5 points |
206458 | matheus2008 | 5 points |