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美国光棍影院手机免费
Acid Rain
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Amazing Mo
Diamonds
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Nobel 2019
See our Periodic Table of Patrons - you could be on it!
ELEMENT:
Hafnium
SYMBOL:
Hf
ATOMIC NUMBER:
72
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美国光棍影院手机免费
Nobel 2019
First Table
Brady 10
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Perpetual
Taj Mahal
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Fountain
PTOV is created by video journalist Brady Haran working with chemists at The University of Nottingham
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