These elements, with atomic numbers of 113, 115, 117, and 118 comprise the missing parts of period 7 – the lowest row – of the periodic table. Now, IUPAC, the International Union of Pure and ...

Learning your 7 times table is useful in everyday life. For example, there are 7 days in a week. It is a number we use on a regular basis. Imagine you wanted to count down to an important event or ...

This article was originally published on www.90min.com as Champions League table after Matchday 7.