Magnesium (mg) is located to the right of sodium (na) because mg
a.) less electrons
b.) less protons
c.) both a.) and b.)
d.) none of the above.

Does the distance travelled by an oscillating mass between times t=0 and t2 equal the displacement of the particle over the same time period if t2> t/2? hint: consider a sine wave starting at t1=0, then consider a closing wave starting at t1=0, for your explanation.