How many atoms are in 4.25 g of Ag? Group of answer choices
2.76 x 10^26 atoms
2.37 x 10^23 atoms
2.76 x 10^23 atoms
2.37 x 10^22 atoms

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Can someone me with questions 12 and 13 plz.