Describe the forces, both attractive and repulsive, that occur as two atoms move closer together.

How are ionic bonds and van der Waals forces similar? How are they different?

Evaluate the determinant.

$$\left| \begin{array} { r r r } { - 1 } & { 2 } & { 1 } \\ { 2 } & { 1 } & { - 3 } \\ { 1 } & { 1 } & { 1 } \end{array} \right|$$

Describe the formation of a covalent bond.

find the determinant of the matrix. Expand by cofactors using the indicated row or column. [-2 4 7 1 , 3 0 0 0 , 8 5 10 5 , 6 0 5 0] Column 4

What is the octet rule, and how is it used in covalent bonding?

Describe the formation of a covalent bond.

What is the octet rule, and how is it used in covalent bonding?

Describe the effect of depth on salinity.

$$\begin{array} { l } { \text { Let } E \text { be the splitting field of } x ^ { 6 } - 1 \text { over } Q . \text { Show that there is no } } \\ { \text { field } K \text { with the property that } Q \subset K \subset E } \end{array}$$

determine whether each value of x is a solution of the inequality. Inequality

$$x^2-3<0$$

Values x = -5

Find the inverse of each function. Is the inverse a function? $f(x)=x^{3}$

How could each of the following atoms react to achieve a noble-gas configuration? a. iodine, b. strontium, c. nitrogen, d. krypton.

A block which has a mass m is suspended from a spring having a stiffness k. If an impressed downward vertical force F = FO acts on the weight, determine the equation which describes the position of the block as a function of time.