10. How were scientists able to discover the Buckyballs in space?

Which substance can be broken down by a chemical change? antimony, carbon, water or sulfur

Which of the following is a mineral? a. glass b. oyster shell (CaCO3) c. sugar (C6H12O6) d. amber (tree sap)

Oxygen is a non-mental? True False

What is the volume, in cubic centimeters, of a sample of cough syrup that has a mass of 50.0 g? The density of cough syrup is 0.950 g/cm^3

Which choice can be a solid, liquid, or a gas? A. steel B. silver C. water D. carbon dioxide

A piece of iron can change in different ways. How is iron bending different from iron rusting?

Which organism would least likely be selectively bred A) Dandelions B) Nantes Carrots C) Belgian Blue Cattle D) Hypoallergenic Cats

You are given a clear solution of KNO3. Using 3-4 sentences explain how you would determine if the solution is unsaturated, saturated, or supersaturated

Which element combination (s) would result in electrons being shared? [] sodium (Na) and oxygen (O) [] carbon (C) and fluorine (F) [] oxygen (O) and hydrogen (H) [] aluminum (Al) and chlorine (Cl)

If you start with 4 moles of iron and 3 moles of oxygen to produce iron oxide, what is the limiting reagent? (You will need to balance the equation first.) Fe + O2 - > Fe2O3