Two saperate point charges totaling 8.00microcoloumb exert a repulsive force of 0.150N on one another when saperated by 0.500m. what is the charge on each if the force is alternative

Describe uniform velocity and variable velocity in short

If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?