Does Phosphorus (P) gain/lose electrons to form ions

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:

Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas