What are the products of photosynthesis • carbon dioxide and hydrogen
• hydrogen, oxygen, and water
• light energy, water, and carbon dioxide
• oxygen and glucose

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Which statement would indicate the presence of an acid