Write the full ground-state electron configuration for each:

(a) S (b) Kr (c) Cs

Based on the trends within the periodic table of elements, decide which of the following elements has the same number of orbitals? A. Cu, Ag, Au B. N, O, F C. Be, Mg, Ca D. B, Si, As

Is a type of physical weathering

Which statement explains the most realistic way to model energy flow in an ecosystem? A. A food chain is most realistic because many organisms eat one type of food, and energy moves through a single pathway. B.

In the final chemical equation NaCl and O2 are the products that are formed through the reaction between NA2O and CL2. Before you can add these intermediate chemical equations you need to alter them by

How many moles of sucrose (C12H22O11) would be in 8.7 L of a 1.1 M solution of sucrose?

In a hydrogen atom, what color is the emission line observed when electrons drop from the fifth to the second energy level?

What is always conserved in a chemical reaction? A. Mass is always conserved in a reaction. B. Energy is always conserved in a reaction. C. Mass and energy are both conserved. D. Nothing is always conserved in a reaction.

What impact would a sudden increase in the price of wood have on producers and consumer? How might each group respond to the change in price?

Which of these is NOT a colloid? a. Blood b. Fog c. Mountain Dew Soda d. Milk

Copper is added to a solution of nitric acid. The solution becomes hot and changes from colorless to dark blue. What is the best explanation for the change in temperature?