Periodic Table's Blank Spaces Filled In By Solving A Subatomic Shell Game. ScienceDaily. Retrieved June 4, 2025 from www.sciencedaily.com / releases / 2009 / 03 / 090323143912.htm.

Of course, that hasn’t stopped the table from being reimagined many times. Most recently, designer Alison Haigh created this minimalist periodic table, built less for understanding the nature of ...

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 ...

Free interactive and download to print GCSE Chemistry flashcards to help prepare for your GCSE exams. Revise topics such as atoms, elements and compounds, mixtures, atomic structure, Mendeleev's ...