Is steel a mixture or pure substance

Which of the following is true in regard to ions?

A plant leaf is an organ that traps light energy to make food. In what way is an animal stomach similar to a plant leaf? ill give brainliest

True or false: A gene is a form of an allele.

What happens to a gas as it is cooled below 0*C

A mineral must be in this state of matter

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?