Question

The chocolate in your favorite candy bar has the chemical formula: C7H8N4O2. What elements are present in this formula? Carbon, hydrogen, nitrogen, oxygen.
How many atoms of each element are in this molecule? 7 carbon atoms, 8 hydrogen atoms, 4 nitrogen atoms, and 2 oxygen atoms.


Using some of the trends that you described in question 2, what patterns do you notice between these elements on the periodic table? (Hint!: Be sure to refer to your periodic table to answer this question!)

Answer 1

First of all they are non metal

Answer 2

Carbon, hydrogen, nitrogen and oxygen are all non metals.