30 which radioisotopes have the same decay mode
and have half-lives greater than 1 hour?
(1) au-198 and n-16 (3) i-131 and p-32
(2) ca-37 and fe-53 (4) tc-99 and u-233

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?