Given the chemical formulas na2o, mgo, and al2o3, predict the formula for radioactive francium oxide, fr? o? .

An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.

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

What is the mass of 0.46 mil of mgcl2