John Dalton's theory is known as Dalton's Atomic Theory.
What are elements made of
Elements are made of atoms.
An atom of hydrogen and an atom of carbon are what?
An atom of hydrogen and an atom of carbon are different elements.
What are compounds made of
Compounds are made of different elements that are chemically bonded together.
The ration of atoms in HCI is
The ratio of atoms in HCl (hydrochloric acid) is 1:1. This means that one atom of hydrogen (H) combines with one atom of chlorine (Cl) to form one molecule of HCl.
