Mean in German: bedeuten, meinen. Mean if a synonym is cruel would be 'gemein'. Just like English the word 'mean' has two meanings. You might 'mean'(intend) to say that someâ¦one is a 'mean' (cruel) person.
The number of electrons in the first two levels of an atom of sodium is as follows:Level 1 contains a single s sublevel = 2 electronsLevel 2 contains s and p sublevels = 2 + 6 = 8 electrons. So far, levels 1 and 2 have given us 10 electrons.
Atom History Timeline Erwin Schrodinger John Dalton - Designed symbols to show how atoms combine to form other substances Ernest Rutherford - Discovery of the Nucleus! - Found that an atom is made up mainly of empty space J.J Thompson/Discovery Of Electrons - Thomson determined the charge to mass ratio (e/m) of an electron equaled 1.759 x 108 C/g through experiments he did with gas discharge tubes (Cathode Ray Tube Experiment) Democritus - Believed that the universe was made of tiny âindivisibleâ particles