In this activity, you will construct a periodic table to see how valence electrons correspond with certain sections of the table. the following is a portion of the periodic table that includes the first 18 elements. for each of these elements, the number of electrons present in each level is shown. however, four of these values have been entered incorrectly

select the four values in the table

explanation:

since this is put under health, i would define "ethical (medical) behavior" the way the oath for doctors is recited.   "first do no harm."

but the term in general means when given a choice between right and wrong, we should always choose right. if we do, then we are practicing ethical behavior.

it would be a gas formation

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)