What does zerovalent mean?1​

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Why does ammonia, nh3, behave as a base when it reacts with an acid? z