Atomic Number
Is the atomic number on top or bottom?
The top.
What element is this symbol representing?
H20
Water
p4+02=p4o10
P4 + 5O2 = P4O10
The basic building block of all life.
Atom
What element does this symbol represent?
H
Hydrogen
Mg+HCI===MgCI2+H2
Mg (s) + HCl (aq) → MgCl2 (aq) + H2 (9)
A mix of chemicals that are not chemically combined.
Mixture
What element does this symbol represent?
Ar
Argon
N2+3H2→2NH3
A chemical equation that has the same number of atoms on the reactant and the products side.
A balanced chemical equation.
What element does this symbol represent?
Au
Gold
What are the missing coefficients?
_Fe+_CL2=_FeCL3
2Fe + 3Cl2 = 2FeCl3
Any substance composed of identical molecules consisting of atoms of two or more chemical elements.
Compound
What element does this symbol represent?
As
Arsenic
What is the mass of Na?
2NaN3=2Na+3N2
323 g
This law states that mass can neither be created nor destroyed.