2. How many electrons does barium have to give up to achieve a noble-gas electron configuration?

1

2

3

4

... ?

What mass of Br2 is used when the reaction consumes 2.0 g of Fe?

Explain how cells use digested food in your own words

Why are the molecules of hydrocarbons nonpolar?

C4H1o0 + 02 arrow C02 + H20 balance the equations

In order for scientific notation to be correct, the base must be

What is an alloy consisting primarily of iron and carbon

How many moles of H2O are there in1.0g of H20?

Which property of gases allows them to be stored at high concentrations in a bottle of air freshener? What changes occur at the molecular level when ice cream melts and forms a liquid?

a gas has a volume of 6 liters and a pressure of 1.5 atm. if the container is compressed to a volume of 2 liters, what will the pressure of the gas be?

When metals react with nonmetals, an ionic compound generally results. what is the predicted general formula?