Which substance can be decomposed by chemical means?

(1) tungsten (3) krypton

(2) antimony (4) methane

Is there enough metal in a rock for it to be economical to extract

How many electrons can fit in the fourth energy level on an atom?

A fox spots a rabbit in a field. The fox begins to chase the rabbit, and the rabbit runs away. Which statement best describes the rabbit's behavior in response to the stimulus of being chased?

A substance is found to consist of 1.900g of silver, 0.250g of nitrogen, and 0.850g of oxygen. what is the percent by mass of oxygen in the compound?

How DOES a dog meets all of the characteristics of life.?

You know that 8.9 moles of solute particles are dissolved in that liquid solution. If the molarity of the solution is 25 M, how many liters of solution do you have?

Which of the following will most likely happen if you apply unbalanced forces to an object? It will change position. It will become charged. It will change mass. It will change size.

Magnetism easily separates what mixture? A). Sand and glass B). Sand and iron C). Sand and clay D). Sand and aluminum

Match the science with the best description?

Can magnetism be used to identify a substance