June 10, 2010
Which element is a non metal with no electron affinity and is used in scuba diving? and is has a full valnce?
sublevel….and the atomic mass is less than that of the elemt qith 53 protns
Helium is used instead of N2 for deep dives in tech diving.
Scuba diving in Cozumel – used Scuba with Alison
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