Isotopes are variants of a particular chemical element which differ in neutron number, and consequently in nucleon number. All isotopes of a given element have the same number of protons but different numbers of neutrons in each atom.
The term isotope is formed from the Greek roots isos ("equal") and topos ("place"), meaning "the same place".
not double replacement
it will be synthesis
they are fusing the two elements
plz mark brainliest
Get a majority of the world to go green
The answer is A, because of the chemical reaction taking place color can change (as in this case). Hope it helps!