What type of reaction is this?

2Na (s) + Cl2 (g) - > 2NaCl (s)

What is the effect of adding heat to a gas at constant pressure?

How many lithium ions are present in 30.0 ml of 0.600 m li2co3 solution?

Why do elements in a vertical column of the periodic table have similar chemical properties? They have the same number of outer electrons. They have equal numbers of protons and electrons.

2. The particles in the oxygen gas animation show many different kinds of motions. Identify three different kinds of motions/interactions you observe. Which motions create pressure on the walls of the container

How many valence electrons are in a neutral atom of magnesium?

The most common element in the atmosphere are

What Is the name of the force that holds together the sub Tomic particles of the nuclear?

Henry Moseley used X-ray experiments to determine the atomic number of elements. How did his discovery contribute to the development of the periodic table? A. It confirmed that elements should be arranged in strict order of increasing atomic mass. B.

Does pollution stay in the city where it originates

Cao (s) + h2o (l) = ca (oh) 2 (s) what mass of slaked lime can be produced from a mixture of 28.4 g of cao and 13.3g of h20