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Vesnalui [34]
3 years ago
10

The noble gases in group 18 were some of the last natural elements to be discovered. Why do you think this is so?

Biology
1 answer:
zmey [24]3 years ago
4 0

Answer:

because they were extremely un-reactive. Being inert, they were difficult to isolate via chemical reactions, thus difficult to distinguish as separate elements

Explanation:

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