Which of the following is not an example of a chemical change? Select one:
a. forming a precipitate
b. a tarnished spoon
c. respiration
d. bubbles in soda

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.