Magnesium reacts with hydrochloric acid to form hydrogen gas and magnesium chloride

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.