electron arrangement and links with periodic table. Flashcards
when moving through the periodic table each element has one more electron than the last. what is it because of?
number of electrons is the same as the atomic number.
what is the maximum allowed number of electrons in the 1st shell?
2.
what is the maximum allowed number of electrons in the 2nd shell?
8.
what is the maximum allowed number of electrons in the 3rd shell?
8.
what can the arrangement be worked out from?
atomic number.
how are the shells of an atom represented in a diagram.
circles.
how are the electrons of an atom represented in a diagram.
with a dot or cross.
what does the electronic structure of : number of shells- link to on the periodic table?
period number.
what does the electronic structure of : number of electrons in outer shell- link to on the periodic table?
group number.
what does the electronic structure of : total number of electrons in all shells - link to on the periodic table?
atomic number.