In Exercises 714, find (a) a set of parametric equations and (b) if possible, a set of symmetric equations of the line that passes through the given points. For each line, write the direction numbers as integers. (There are many correct answers.)

October 2, Atomic Radius is by far the most important. 1 pm = 1 x 10-12 m = 1 x 10-3 nm In the periodic table Radius increases from top to bottom. The atomic number is increasing from left to right. Ionization is the amount of energy required to remove an electron. Ionization increases when you go across the graph and when you go from bottom to top. If the electron is closer to the nucleus...