For the following formulas: 1. Write the abbreviated ground state electron configuration for the cation and anion respectively.

2. Write a valid set of quantum numbers for each of the valence electrons of the cation.

FOR EXAMPLE:
TiI2
Ti2+ = [Ar]4s03d2 (1 point) I- = [Kr]5s24d105p6 (1 point)
(3, 2, -2, 1/2) (3, 2, -1, 1/2) (2 points)

Q1: MnCl2
Q2: GeO
Q3: PtS2

5. how can you decrease the pressure of a gas in a container without changing the volume of the gas?

Dwayne filled a small balloon with air at 298.5 k. he put the balloon into a bucket of water, and the water level in the bucket increased by 0.54 liter. if dwayne puts the balloon into a bucket of ice water at 273.15 k and waits for the air inside the balloon come to the same temperature, what will the volume of the balloon be? assume the pressure inside the balloon doesn’t change. type the correct answer in the box. express your answer to the correct number of significant figures. the volume of the balloon at 273.15 k is liters.

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?