If an atom has 17 protons,18 neutrons, and 17 electrons, what is the mass of this atom? a. 52
b. 18
c. 35

*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

The excretory system,need answers for all: )

What are the chemical names of these compounds? ke: mg3n2: reset next