The balanced equation is:

Then proceed with the following equations.

The answer is

.
Peroxide is the chemical responsible for opening the hair cuticle
Answer:
stable isotopes have stable nuclei and do not show radioactivity, but for unstable isotopes it is the opposite
Explanation:
hope this helps, ask more questions if needed.
<span>NaCn contains an Na+ ion and a CN- negative ion, so it has an ionic bond. The CN ion is formed by a covalent bond of the carbon and nitrogen, so it also has a covalent bond. Therefore, the answer is NaCN.</span>