You recently discovered a new element, and find that this particular element has one electron in its outer energy level. what would you expect will happen to an atom of this element if placed in water?

2E(s) + 2H₂O(l) → 2EOH(aq) + H₂(g)

E [...]ns¹    (new alkali metal)

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .