Let's Burn 52 Calories! 1  11 mins. Swimming, treading water, moderate effort. 2  6 mins. Running, general. 3  6 mins. Bicycling, general. 4  14 mins. Walking, 2.5 mph, level, firm surface.
It is also worthy to note that Mendeleev's 1871 arrangement was related to the atomic ratios in which elements formed oxides, binary compounds with oxygen whereas today's periodic tables are arranged by increasing atomic numbers, that is, the number of protons a particular element contains.t is also worthy to note that Mendeleev's 1871 arrangement was related to the atomic ratios in which elements formed oxides, binary compounds with oxygen whereas today's periodic tables are arranged by increasing atomic numbers, that is, the number of protons a particular element contains.
How elements are arranged in the periodic table (General) 1  The chemical elements are arranged in order of increasing atomic number. 2  The rows are called periods and the columns are called groups. 3  Elements with similar chemical properties are in the same group of elements.