What is this electron configuration
1s22s22p 3s 3p 4s23d104p65s

the answer to your question is c.

if you read the house of usher you should know that the house was haunted

it would be d. henry moseley

hope this !

and sorry if i'm late. have a good rest of your day! : d

i think its 5049.

i 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".