#23. Radioactive decay, Half life calculation |Chemistry Daily Question – | KokoChem Education

Описание: 23. If 10g of a radioactive element P decays to 0.625g in 4.5 × 102 years, what is the half – life of P?
A. 2.25 × 102 years
B. 4.5 × 102 years
C. 1.125 × 102 years
D. 0.5625 × 102 years


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