Which is a chemical property of oxygen.

A. It expands when heated

B. It combines to form o2 molecules

C. It is a gas at room temperature

D. It reacts with iron to form rust

Which describes a step in the process of forming an ionic bond? A.) A metal atom loses electrons and becomes a positive ion. B.) A metal atom gains electrons and becomes a negative ion. C.) A nonmetal atom loses electrons and becomes a negative ion.

The electron configurations of some elements are given. Based on the electron configurations, which elements can likely form ions with multiple charges?

If 29.0 l of methane, ch4, undergoes complete combustion at 0.961 atm and 140c, how many liters of each product would be present at the same temperature and pressure

Hard water + soap = ? write your answer in chemical formula

The purpose of a coal burning power plant is to produce which end product? A:electricity B:uranium C:intense heat D:pure coal

State the relationship between the number of electrons in a carbon-nitrogen bond and carbon-nitrogen bond energy

What are the characteristics of bones?

If 294 grams of FeS2 is allowed ti react with 176 grams of O2 according to the following equation how many grams of Fe2O3 are produced? FeS2 + O2 = Fe2O3 + SO2

Convert 3.57 moles of aluminum to grams

An average microwave uses a frequency of 2.54 GHz. How much energy is emitted?