Jonamahinayid Jonamahinayid Science Answered 12. The pure substance that cannot be broken down into simpler ones are called A.compounds B. elements C. mixtures D. solutions 13. Which of the following is a physical property of an element? A. color B. flammability C. stability D. toxicity 14. Which of the following is a chemical property of an element? A. acidity B.mass C.shape D.volume 15. Which of the following substances is an element? A.candle wax B.cookies C. cooking oil D. Copper 16. What are elements made of? Aatoms B. compounds C. dust particles D.gases 17.Which characterizes a luster property of an element? A. resistant B. poisonous C. easily burnt D. shiny appeara 18.Which property of an element refers to the amount of space it may occupy? A. color B. oxidation C. shape D. volume 19. Which can be considered as a form of matter? C. light D. shadow A.energy B. ice 20.What compose an element? Amany molecules B.Neutron C.one kind of atoms D. Proton