Answer:
Different ions of different elements (usually metals) make a flame burn with a characteristic color when introduced into the reaction zone; the different colors are caused by the different quantized energy levels of the electrons in the different atoms.
I think it would be silicon & chlorine
Answer:
OH-
Explanation:
it's consists of an oxygen and hydrogen atom held together by a covalent bond and carries a negative electric charge
Ba²⁺(aq) + CO₃²⁻(aq) → BaCO₃(s)
Answer:
Non metals gain electrons in a ionic bond
Explanation:
Hope it helps you!