A compound containing oxygen and group 16 and/or group 17 elements contains one of the following elements. The compound dissolves in water. Which element does the compound contain?
A. Magnesium
B. Potassium
C. Barium
D. Strontium

Ineed with my science work! it’s due tomorrow!

What is the overall order of reaction for rate = k[no]2[o2]

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?