Answer:
Explanation:
The chemical elements are arranged in order of increasing atomic number. The horizontal rows are called periods and the vertical columns are called groups. Elements in the same group have similar chemical properties. This is because they have the same number of outer electrons and the same valency.
Till now we are able to find
a) How does the moon affect tides on earth? : the answer is moon gravitational field
b) How long does it take for the earth to rotate on its axis? : we know the answer is 24 hours (a day)
c) Why do volcanoes erupt? : due to divergence / convergence of tectonic plates
However we still cannot predict "When will the next earthquake happen?" based on science
Anwer: the first option, a hydrogen ion acceptor.
The acid-base model of Bronsted-Lowry is focused on hydrogen ion. An acid is a donor of hydrogen ions and a base is a receptor of hydrogen ions.