Which of the following substances is made up of the same kind of atoms? a. silver
b. steel
c. salt
d. glucose

When would a bouncy ball have the most potential energy

In which situation can a mixture always be called a solution

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?