Help! is this correct? im struggling with grasping a new biochem class

How are ionic bonds formed and what is the attractive force within an ionic bond

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

#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.