Which of these is an example of a reversible physical change? A. boiling water B. breaking glass C. cracking an egg D. splitting a diamond

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Compare and contrast refraction of light and sound will give brainliest

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate