C. Which molecule is not linear?
a H₂O
b. CO₂
c. N₂
d. Cl₂

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from