How many molecules, formula units or atoms are in 68.55 g of Sr(C1O4)2?

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction

How do dying stars contribute to the formation of planets