The products of a chemical reaction include 12 H (hydrogen) atoms, 6 C (Carbon), and 12 O (oxygen) atoms. Question: How many oxygen atoms were in the reactants of the chemical reaction?

This drawing shows a human body system. what is the primary function of this body system?

Select all the correct answers.which compounds have the empirical formula ch20? (multiple answers)a.c2h4o2b.c3h603c.ch2o2d.c5h1005e.c6h1206

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth