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MariettaO [177]
3 years ago
6

Why chemists might sometimes store reactive chemicals in argon,Ar. To which family does argon belong?

Physics
1 answer:
wlad13 [49]3 years ago
4 0
Argon - Noble gas
Group - 18
Period - 3
Hope this random information helps :)
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Since the reflected energy must be less than the energy which incident on the concrete so here we will say that the reflected waves must be of less frequency range

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