Which of the following is the most recent addition to the accepted model of the atom?

A. Elections from a cloud around the nucleus.

B. Neutrons orbit the nucleus along circular.

C. Protons are located in the nucleus.

D. Atoms are indivisible particles.

The act of moving from one place to another. a. locomotor b. aerobic c. stationary d. static

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.