Explain the difference between ionic and covalent compounds through examining the spectrum of bonds between atoms with varying degrees of polarity with respect to their constituent elements positions on the periodic table. Provides a explanation of the relative strengths of the bonds relative to their location on the periodic table.

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 .

The answer is d.potassium

In any atom of any element, you will find protons and neutrons in the nucleus of any atom