An atom that has 7 protons, 5 neutrons, and 8 electrons has an atomic number of 7. Atomic number is equal to the amount of protons in an atom.
Answer:
Iron and area in the goal
Five awesome vessels enter and leave the heart: the unrivaled and second rate vena cava, the aspiratory corridor, the pneumonic vein, and the aorta. The prevalent vena cava and mediocre vena cava are veins that arrival deoxygenated blood from dissemination in the body and purge it into the correct chamber.
