State how you can tell from a dot and cross diagram that the particles in a compound are held together by ionic bonds

Balance the following skeleton equation as illustrated below. H2 (g) + Cl2 (g) + HCl (g)

Two separate masses of zinc were measured on a laboratory balance. The first zinc had a sample mass of 210.10g, and the second zinc sample had a mass of 235.10g. The two samples were combined. The volume of the combined sample was found to be 62.3ml.

An elephant eats about 500 pounds of grass and leaves every day. there are 2 african elephants and 3 asian elephants living in the city zoo.

Atoms of what two types of elements would form an ionic bond? a. two metals b. two nonmetals c. a metal and a nonmetal d. two metals and two nonmetals

What is the percent yield for a reaction if the theoretical yield of c6h12 is 21g and the actual yield recovered is only 3.8g?

Which of the following is one way to prevent the corrosion of iron? A. Add carbon to the iron. B. Paint exposed iron parts with protective paint. C. Let the iron develop a natural coat of carbonate. D. Protect the iron from polluted air

A compound of phosphorus and chlorine contains 3.00grams of phosphorus and 10.3 grams of chlorine. how many grams of phosphorus would be in a sample of the compound containing 17.2 grams of chlorine?

How can volatility be tested in a laboratory

For the reaction N2 (g) + 3H2 (g) 2NH3 (g), what will happen if more nitrogen gas is added? there will be a shift towards the products there will be a shift towards the reactants there will not be a shift in equilibrium the value for Keq will change

A substance is dissolved in water and produces hydronium ions. This occurs when hydrogen ions move from the substance to associate with water molecules. Which term best matches the behavior of this substance? A. Arrhenius base B. Arrhenius acid C.