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2019 marks the 150th anniversary of the Periodic Table, a unique tool, enabling scientist to predict the appearance and properties of matter on the Earth and in the the Universe. Different elements ...
If you're a student hoping to conquer chemistry—or just like chemistry as a hobby—web site Ptable gives you a browser based periodic table that lets you view element information, properties ...
To account for this, most periodic tables hive off the elements making up this f-block, putting it below the table, leaving a gap in group 3. Fair enough. But there is debate over which of the ...
Predictive power. Gallium. Mendeleev left blank spaces in his original periodic table so that he could properly line up the known elements. Gallium, element 31, was his first gap to be filled, in ...
A t the far end of the periodic table is a realm where nothing is quite as it should be. The elements here, starting at atomic number 104 (rutherfordium), have never been found in nature. In fact ...