Scrieti configuratia electronica pt urmatoarele elemente: H, He, Be, C, N, O, Ne, Na, Al, Ar.
Precizati pt fiecare element cate straturi, cati orbitali si cati electroni are pe ultimul strat.

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves