How many molecules are in 28 g of CO2 ?

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.

When a scientific theory has been tested and proved by the scientific community, it becomes a law