Element/halogens

Atomic Symbol	Element	Protons	Electrons	Neutrons	Atomic weight
	Fluorine	9	9	9	18
				10	19
	Chlorine	17	17	18	35
				20
	Bromine	35	35	44	80
				45
				46
	Iodine	53	53	70	127
				72
				74
				76
				78
	Astatine	85	85	125	210
				126
	Tennessine	117	117	177	294