A group of students measured the density, the state of matter at 25 degrees Celsius, reactions with water, and reactions to a flame and recorded the data in the table below: chart of data Based on the results, what can be determined about the substances?
a.All substances experienced a chemical change.
b.Argon did not experience a chemical change.
c.Only Hydrogen gas and Sodium experienced a chemical change.
d.Only sodium experienced a chemical change.
