Nickel has five naturally occurring isotopes. Nickel-57.93 (68.08%, Nickel-59.93 (26.22%), Nickel-60.93 (1.14%), Nickel-61.93 (3.63%), and Nickel-63.93 (0.93%).
Calculate the average atomic mass.
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What happens when an acid dissolves?

Heat is the total potential energy of a substance that can be transferred. true false

#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.