Click next element to select carbon. add a second electron to the first 2p orbital. click check. what feedback is given? *
correct electron configuration!
atomic radius = 67
electrons are not properly arranged in energy levels.
configuration in order of subshell filling

b) mutualism

hope this : )

alchemy hadn't scientific methods of study, appeal to mysticism and fantasy, the knowledge of chemistry and physics were modest at that time.

alchemy was - but as new rules were discovered it either changed into chemistry or it became "unscientific".