Critical Thinking Questions

8. What relationship exists between an atom's valence electrons and the number of dots in the

Lewis structure of the atom?

Equilibrium is reached in chemical reactions when: A) The rates of the forward and reverse reactions become equal. B) The concentrations of reactants and products become equal. C) The temperature shows a sharp rise. D) All chemical reactions stop.

Which type of elements tends to have the greatest attraction for electrons in a bond?

A current of 0.44 A is passed through a solution of a ruthenium nitrate salt, causing reduction of the metal ion to the metal. After 25.0 minutes, 0.345 g of Ru (s) has been deposited. What is the oxidation state of ruthenium in the nitrate salt?

Two components combine to create a binary ionic compound. Name one of them

An estser is the reaction product between: a. Alcohol and organic acid B. Alcohol and oxygen C. Ketones and Oxygen. D. Aldehydes and Alcohol

How many metaloides are found on the periodic table

Which of the following is considered to be a chemical property of matter?

How does percent composition by mass contribute to writing a balanced equation?

Raising the temperature of a reacting system increases the rate of the reaction, but does NOT increase the a) activation energy b) number of collisions c) fraction of the reacting particles which possess energies greater than the activation energy

If you have 60 grams of MgCl2 in 5 liters of solution, what is the molarity of this solution?