Explain why some metals occur as free element in nature ,while others occur in combined states. Give 2 examples of each type

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

What happens when the temperature of a solution increases?

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.