The word atom comes from the Greek word atomos, which means “undivided” or “uncut.” The Greek philosopher Democritus coined the term in the 5th century BCE. Democritus believed atoms were units of matter that could not be cut into smaller pieces. Atoms became the fundamental units of matter and the building blocks of elements. Eventually, scientists learned about subatomic particles. While no chemical process can divide an atom, nuclear fission and decay can break them into smaller units.
Answer:
the picture is a bit blurry
Explanation:
Water Is A Liquid And Gravity Pulls Objects Up
There are 3 Na, 3 O, and 3 H since you distribute the coefficient 3 to all atoms. So, if you add them up, there are 9 atoms in that compound. Hope that helps!
Its too far away for us humans to see
