Chemistry, 15.06.2021 18:50 jhill685467

Superscript 239 subscript 94 upper P u right arrow variable X plus superscript 4 subscript 2 upper H e. What is X?
Superscript 235 subscript 96 upper C m.
Superscript 243 subscript 92 upper U.
Superscript 235 subscript 92 upper U.
Superscript 243 subscript 96 upper C m.

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Superscript 239 subscript 94 upper P u right arrow variable X plus superscript 4 subscript 2 upper H...