Proton, the gold foil experiment indicated that the nucleus has a positive charge.
Answer:
it depends on the medium and the temperature
Explanation:
Answer:

Explanation:
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In this case, the undergoing chemical reaction is:

In such a way, the mercury II sulfate (molar mass 296.65g/mol) is in a 1:1 molar ratio with the mercury II chloride (molar mass 271.52g/mol), for that reason the stoichiometry to find mass in grams of mercury II chloride turns out:

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They all have the same number of electrons in the electron cloud.