POMOCY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
POMOCY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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l.pr.:4
l.el.:5
l.neu.:4
k.e.: niestety nwm :/
l.e.w.:9
protonow- 4
elektronow- 4
neutronow- 9-4=5
konfiguracja -k2 l2
elektrony walencyjne -2