Chemistry

30 June, 19:38

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

+2

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