What is the formula and geometry/shape for
a. nitrogen triiodide
b. carbon tetrachloride
c. d i hydrogen sulfide
d. silicon dioxide

it's c. elements are placed in rows based on how may valencies electrons have.

i think slash and

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl