If one atom has 12 protons, 6 neutrons, and 6 electrons. and another one has 12 protons, 7 neutrons, and 8 electrons. are both atoms the same element why or why not?

Can someone me with questions 12 and 13 plz.

Select the correct answer a modure consists of glucose and water. what is the percent composition of glucose in the mixture if it contains 1.3 moles of glucose (cho total mass of the mature is 276 grams? ) and the a 1775

What is formed when amino acids form long chains or polymerize