Use the VSEPR model to predict the structures of the following molecules or ions: BrF-4
TeCl4
I2CL6 (contains no I-I bonds)
ClO3-;
In each case show the principal rotation axis and indicate any horizontal or vertical mirror planes. Which of the molecules have an inversion centre?

What is the density of the black hole

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature

When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.