How many moles of arsenic are in 1.204 x 1024 atoms of arsenic?

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.

All other things being equal the size of a population will decrease if