Element X reacts with oxygen to form an ionic compound that has the formula XO. To which group on the Periodic Table could element X belong? A)
Group 1

B)
Group 2

C)
Group 13

D)
Group 15

Explain that newton first law,second law and third law of motion?

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?

Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons