In this atomic model, energy levels are thought of as clouds surrounding the nucleus. They are sometimes referred to as orbitals. Which model is described? A) Bohr B) Rutherford C) Schrödinger D) Quantum Mechanical

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent

Which states of matter have particles that move independently of one another with very little attraction?

Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction