What is the molarity of 0.540g Mg N,0. in 250 mL of solution?

Identify two types of chemical bonding in the source of dietary potassium

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

How do dying stars contribute to the formation of planets