What is the charge of the cadmium cation in cadmium cyanide, Cd(CN)$_{2}$ a compound used in electroplating? Explain your reasoning.

What is the definition of a streakline? How do streaklines differ from streamlines?

Express each quotient in the form $a + bi$. a. $\dfrac{1}{1 + i}$ b. $\dfrac{1}{1 - i}$ c. $\dfrac{1}{2 + 3i}$ d. $\dfrac{1}{5 + 6i}$

What evidence would help scientists determine that colonial organisms were an early step in the evolution of multicellularity? A. similarities in DNA or RNA of early multicellular organisms and colonial unicellular organisms. B. differences in DNA or RNA of early multicellular organisms and colonial unicellular organisms. C. similarities of early multicellular organisms and present-day multicellular organisms. D. differences between early multicellular organisms and present-day multicellular organisms.

Name the following ionic compounds, specifying the charge of any transition metal cations.

$$\begin{array} { l l } { \text { a. FeI } _ { 2 } } & { \text { C. } \mathrm { CrCl } _ { 2 } } \\ { \text { b. } \mathrm { MnF } _ { 3 } } & { \text { d. } \mathrm { CuS } } \end{array}$$

Name the following ionic compounds , and specify the charge of any transition metal cations. a. $Fel_2$ b. $MnF_3$ c. $CrCl_2$ d. $CuS$

$$-7.8x=-1.56$$

What causes the blockage of the olfactory receptor cells when you have a cold?

Write the expression in radical form, and simplify.

$$( - 27 ) ^ { \frac { 2 } { 3 } }$$

Describe the causes, effects, and treatment of foodborne illness.

Evaluate $\sqrt{b^2-4ac}$ for the given values of a, b, and c, and simplify. a=2, b=-6, and c=5

Cover the inside bottom of a microwave oven with waxed paper. Evenly space several large marshmallows on top. Microwave on 100% power for 60 seconds without any rotation. Identify any microwave hot spots. How does rotation prevent them?

Tengo ___________________________ en _______________________________.

Simplify each expression. Write all answers with positive exponents. Assume that all variables represent positive real numbers. $p^{2 / 3}\left(p^{1 / 3}+2 p^{4 / 3}\right)$