As the minibike runs, less gasoline remains in the gas tank as carbon dioxide leaves the exhaust. Is it a chemical or a physical change? Tell why you chose that option.

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Connect the whole numbers on the periodic table to indicate what they represent?

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape