Why are silver, platinum, palladium and osmium called noble metals?

FeBr+NH4S->FeS+NH4Br

what happens in the space above the soft drink in a closed bottle or can as the soft drink warms to room temperature

The two most abundant resources of eastern central Europe are:___. bauxite, coal, forests, gold, oil.

Solid magnesium hydroxide decomposes into solid magnesium oxide and gaseous water. Write a balanced chemical equation for this reaction

A cube with a mass of 250.0 g has sides measuring 5.00 cm each. What is the density of this cube in grams per cubic centimeter?

Does the buckminsterfullerene conduct electricity?

If an element has 2 valence electrons, how many dots will be in the elements dot diagram?

the state of water is determined solely by the conditions of: A) volume and mass B) temperature and volume C) pressure and mass D) pressure and temperature

When a chemical reaction and its reverse are occurring at the same time and at the same rate, the reaction has achieved a. displacement. c. imbalance. b. equilibrium. d. decomposition.

A certain shade of blue has a frequency of 7.04 * 1014 Hz. What is the energy of exactly one photon of this light?