<span>The flame goes out on a burning match when sodium carbonate and hydrochloric
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If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100.
Answer:
protons has a positive charge.
Neutrons does not have a charge (neutron = neutral)
Electrons has a negative charge
What is <span>Amalgam? hope this helps</span>