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

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

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?