Answer:
Colors are seen by burning of metal salts, for example Sodium chloride makes yellow frame.
It is very common for fireworks to contain Aluminum, Iron, Steal, Zinc or the Magnesium’s dust to create bright light.
Because correct coefficients are necessary to successfully balance equation.
Answer:
A valence electron is an outer shell electron that is associated with an atom, and that can participate in the formation of a chemical bond. If the outer shell is not closed; in a single covalent bond. Both atoms in the bond contribute one valence electron in order to form a shared pair.
(Hope this helps) Sky
Answer:
i think it is 1.27 x1024
Explanation:
i don't really know though
