Chọn cấu hình e không đúng. A. 1s22s22p5 B. 1s22s22p63s2 C. 1s22s22p63s23p5 D. 1s22s22p63s23p34

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible?

How is 0.00235 expressed in proper scientific notation? a. 2.35 × 10-3 b. 0.235 × 10-2 c. 2.35 d. 2.35 × 103

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo