Element/noble

Atomic Symbol	Element	Protons	Electrons	Neutrons	[hide]Atomic weight
	Helium	2	2	1	4
				2
	Neon	10	10	10	20
				11
				12
	Argon	18	18	18	40
				20
				22
	Krypton	36	36	42	84
				44
				46
				47
				48
				50
	Xenon	54	54	70	131
				72
				74
				75
				76
				77
				78
				80
				82
	Radon	86	86	125	222
				134
				136
	Oganesson	118	118	176	294