" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(1s²)2s² HEL
Bor
(1s²)2s²2p¹ HEL
Wapń
(1s²2s²2p⁶3s²3p⁶)4s² ARGON
zaznaczone fragmenty umieściłam w nawiasach