Which of the following is an example of energy causing motion?
a. bowling ball on a ball stand
b. boy holding a bowling ball
c. rolling ball scattering the bowling pins
d. bowling pins scattered on the ground

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures

•hydration •dissociation •dissolving which one goes to which