Using solubility rules, determine if the following compounds are soluble in water.
(match)

insoluble
soluble
a. ca(no3)2
b. mg3(po4)2

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon