An alternative periodic table of elements focusing on highly charged ions reveals new science that could support the quest for more accurate optical atomic clocks ...

The table is divided into rows called periods and columns called groups or families. Mendeleev’s work Here is a list of periodic table elements with their names, symbols, atomic numbers ...

Electrons have a charge of -1 and neutrons have zero ... In the next episode, there’ll be more on the periodic table, specifically group 1, 7 and 0. SUNAYANA: I’m Dr Sunayana Bhargava.