An atom of iron has the atomic number 26 and a mass number of 56. how many protons plus neutrons are in the nucleus? a. 30b. 26c. 56d. 82

What is the most stable monatomic ion formed from nitrogen

Which type of orbits are found in the principal energy level n = 2 a - s b - s, f c - s, d d - s, p e - s, p, d

*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