According to the Periodic Table of Elements, Chlorine (CL) has 35.45 protons.

True

False

Chemical bonds are made and broken by: a. energy changes c. chemical reactions b. enzymes d. catalysts

List the number of each type of atom on the right side of the equation MgS (aq) + 2CuCl2 (aq) →2CuS (s) + MgCl2 (aq)

A substance that decreases h + and increases ph when it dissociates in water is called

An alpha particle has a mass number of 2. a. True b. False

What happens to the acidity of solutions A and B after dry ice is added? The pH of solution A decreases, and the pH of solution B increases. The pH of solution A increases, and the pH of solution B decreases.

How are deltas and rivers similar?

You plan to separate a polar and a non-polar compound using normal phase column chromatography technique. Methylene chloride (CH2Cl2) and hexanes (C6H14) are the solvents to be used to elute the column. Which solvent should be used first

A chemical change in which a single compound is broken down into two or more simpler products.

What are the various ways that people, nature, or machines convert on type of energy to another

How many bonds are present in Cl20?