The half life of a radioactive element is the time needed to the element to decay and reach the half amount of the initial amount. Here we have a radioisotope element which decays its half from 10,000 to 5,000 in two days. Therefore, its half life is 2 days.
There are 3 different elements
Answer:
Percent yield of alum is 38.6%
Explanation:
Find attached calculations for detailed explanation.
Answer:
it's a poison used to kill people in old times sry if it's wrong
Explanation:
1:2:6? Ba(NO3)2 +Na2SO4 -----> BaSO4 + 2NaNO3
Ba(NO3)2
BaSO4
NaNO 3
Na2SO4