Which is more reactive, Rubidium or Hydrogen?

What elements can the compound ca (no3) 2 be decomposed into?

How are work and energy related?

What is the chemical formula for cerium?

In one experiment, the reaction of 1.00 g mercury and an excess of sulfur yielded 1.16 g of a sulfide of mercury as the sole product. In a second experiment, the same sulfide was produced in the reaction of 1.56 g mercury and 1.02 g sulfur.

The number of atoms in exactly 12 grams of carbon-12 is called

A type of element that has some of the properties of metals and some of nonmetals is called a

DDT is: A. banned in the United States B. still being used in other countries C. to blame for the near extinction of some bird species D. all of the above

7) Sodium is much more apt to exist as a cation than chlorine because: a) chlorine is a gas and sodium is a solid b) chlorine has a greater electron affinity than sodium c) chlorine is bigger than sodium d) chlorine has a greater ionization energy

What's the oxidation number of cu (no3) 2

If a substance goes from the gas phase to the liquid phase, was it heated or cooled