Answer:
Periodic trend for first ionization energy
The ionization energy increases because the ratio of the protons to electrons increases. Which explains the change in ionization energy that occurs between removing the first and second electrons from an atom? Electronegativities of the elements Be, Mg, Ca, and Sr follow a specific trend within their group.
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Answer:
A. they have triangular pediment and horizontal frieze along the roof line
B. they were built using arches to support the roof
C. they have Doric ionic Corinthian columns
D. they have symmetry simple shapes beauty order and harmony
