PLZ HELP-will get brainlist Base on ur answers to question 1 through 5 on an element that has 15 protons and 16 neutrons. This element has 2 electrons in the innermost energy level, 8 electrons in the next energy level, and 5 electrons in the outermost energy level.
1) what is the elements atomic number?
2) what is the elements mass number?
3)What is the elements chemical symbol?
4) what is the elements chemical name?