Question

How did knowing the number of valence electrons in one of the alien elements help to identify it? Explain how the table was used to accomplish this task.

How did knowing the number of valence electrons in one of the alien elements help to identify it? Explain how the table was used to accomplish this task.

Answer 1

old question but will respond so this can be closed

elements w/ the same # of valence electrons tend to react similarly. on a periodic table, elements w/ the same # of valence electrons are located in the same group.

apply this to the alien elements.