6
Hz
Hydrogen
↑
e
Nz Nitrogen
Fr D
Florine Fear
Oz
Oxygen
Iz Iodine
Chr Chlorine Cold
Brz ↳
Bromine Beer
reaction
equations :
balanced
equations
O
illustrates that neither mass be created
energy
nor can
or
destroyed.
o
Everything represented before the arrow
,
must be there after the arrow.
law constant composition
of
> A chemical compound
specific always consists
-
the same
of
elements in the ratio.
exactly same
law conservation of
of mass
- The total and
mass
of the particles before after the reaction
remains constant.