D) blue
(about 400 nanometers)
A chemical change is a change that results in new chemicals (the reactants underwent a chemical change which resulted in new products).
an example of a chemical change is the burning of paper. An example of something that is not a chemical change is the melting of ice.
Water is the only one of these that would work by process of elimination.
Answer:
yes
Explanation:
to identify an atom you need to know either it's atomic number or it's proton number
while the neutron is used to determine it's atomic mass