When a strontium atom loses two electrons to form an Sr2+ ion, the electrons are lost from the a. 5s orbital. c. 3d orbital.
b. 5p orbital. d. 4f orbital.

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?

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?