Gold has a density of 19.32g/cm^3. aluminum has a density of 2.7g/cm^3. which is heavier: 1g of gold or 1 g of aluminum? explain

Apiano tuner uses a tuner to create a tone of 5.00 x 10² hz. when a key on the piano is struck he hears 5 beats per second. what is a possible frequency of vibration for the piano string? 2500 hz 1300 hz 605 hz 495 hz

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.