Which pair of species have the most nearly identical atomic and molecular properties? 1. 35/17cl and 80/35br 2. 7/3li and 9/4be 3. 23/11na and 23/11na+ 4. 19/9f and 19/9f− 5. 12/6c and 13/6c

If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle

You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas