Which element is most likely to have an oxidation number of -2? A. F
B. NE
C. CA
D. O

Complete each row of the table below by filling in the missing prefix or missing exponent.

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?