The half life of an element X is 5 days. If we have 5g of X initially what is the mass of X after
5 days
20 days
40 days
After 5 days: 2.5g of X (half of the original amount)
After 20 days: 0.625g of X
After 40 days: 0.15625g of X
5 days
20 days
40 days
After 20 days: 0.625g of X
After 40 days: 0.15625g of X