yes, they are.
ATOMS are real life examples of atoms. They do exist.
Atoms and moles are used in laboratories.
there is no direct evidence but its a theory but can be proven
1914
No, they had been shown to be real long before Einstein was born.
Atom is not an "invented unit". Atoms are quite real.
It is a liquidU A LIE!the real answer is SOLID
If atoms of same element combine, we say that element is existing in its real state (or simply a molecule of that element is formed). If two atoms of different elements combine, a compound is formed.
In HCl2 are 1+2=3 atoms, so in 2HCl2 are 2*3=6 atoms, HOWEVER this is NOT the formula of an existing compound. HCl (with 2 atoms per molecule) is a real compound formula.
there are 20 im am a real scientist
What about them? You didn't ask a real question, you know. Here are some links that might help
carbon dioxide