Apply What is the mass number of an isotope
of this atom that has 2 neutrons?

#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.

Which is an example of a highly unstable isotope that is often used in fission reactions?

Metric temperature is measured in celsius and fahrenheit. true or false