Why do you think different groups behave differently? A number of protons
B number of neutrons
C number of electrons
D number of valence electrons

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

In saturated organic compounds, all the bonds between carbon atoms are called?

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?