3. En una probeta graduada Luis mide 100.0 mL de agua. Pregunta a Jazmin, Karen y a Alvaro, cual es el peso molecular. * por favor ayud

Which of the following is not true about the atomic model of substances?

#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.

Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction