Answer:
lost 2 electrons
Explanation:
A <em>cation</em> by definition is a positively charged ion. They are formed when a metal loses its electrons. A cation has more protons than electrons, giving it a net positive charge. So, it had to have lost 2 electrons to give it a positive charge of 2⁺.
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Answer:
Electron pair acceptor- Lewis acid
Proton donor- Bronsted-Lowry acid
Provides H+ in water- Arrhenius acid
Explanation:
A Lewis acid is any specie that accepts a pair of electrons such as Al^3+, Fe^2+ etc.
A Brownstead Lowry acid is any specie that donates a proton, e.g H3O^+
An Arrhenius acid is a specie that provides in solution, that is, any specie that provides H^+ in solution.