The chemical symbol for sodium is
a. n.
b. s.
c. na.
d. sn. user: the most active of all the chemical elements is a halogen known as
a. iodine.
b. astatine.
c. bromine.
d. fluorine. user: dalton used the lightest element as his standard for atomic mass. what is this element?
a. carbon
b. nitrogen
c. hydrogen
d. oxygen

How many atoms are there in 5.70 mol of mg

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 would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.