What percentage of 146c remains in a sample estimated to be 17,200 years old?

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done

What type(s) of intermolecular forces are expected between ch3ch2cooh molecules? dipole forces, induced dipole forces, hydrogen bonding

Air can be considered a mixture. which statement does not explain why?