What is the name of the element with a valence electron configuration of 4s24p3?

What is the common name for the compound shown here? enter the common name of the compound shown?

What is a difference between a mixture of elements and a mixture of compounds

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.