From the choices below, select the element that has 2 valence electrons, more than 30 neutrons but less than 70 neutrons. *
strontium (SI)
barium (Ba)
calcium (Ca)
rubidium (RD)

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

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?

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring