Which of the following equations is balanced?
a) 4p + 2o 2 --> 2p 4 o 5
b)2p + o2--> p 2 o 5
c) 5p + 4o 2 --> 2 p 4 o 5
d) 4p + 5o 2 --> 2p 2 o 5

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

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged