7. If the power or a nens is An isotope has a half-life of 2 years....

Question

Question

science physics

Answer 1

Answer #1

8)

Decay contact=0.693/2=0.3465 yr^-1

50=600*e^(-0.3465*t)

t=7.17 yrs

9)

Protons

10)atomic numbeof of Zn=30

Number of neutrons=75-30=45

Answer 2

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