Multiple Choice: Directions: Tick/Choose the correct answer for each question. Which of the following is the simplest form of substance? 1 point Mixture A substance containing two or more elements chemically bonded together is considered a(n): * 1 point A. Mixture B. Atom C. Alloy D. Compound Opsyon 5 A pure substance which atoms are of the same type is called * 1 point A. Mixture B. Compound C. Element D. All of the Above Opsyon 5 Which of these is the correct symbol for calcium? * 1 point A. C B. Cl C. Ca D. Cal How many different atoms are there in a compound? * 1 point A. One B. Two or more C. Always two D. None of these Which of the following statements is TRUE about elements and compounds? * 1 point A. Are homogenous in nature. B. Are simplest form of matter. C. Are commonly naturally occurring materials. D. Can be broken down into simpler substance. Which of the following substance is an element? * 1 point A. Carbon dioxide B. Iron C. Salt D. Sugar Which of the following describes an element? * 1 point A. The simplest substance. B. It can be broken down into other types of substances. C. It can be separated through a chemical process. D. It is composed of two or more types of atoms. Which of the following is correctly matched? * 1 point A. Gold: Element: Silver: Compound B. Oxygen: Element: Water: Compound C. Sugar: Element: Salt: Compound D. Water: Element: Hydrogen: Compound
Part II. Garbage bin of elements and compounds. 10-12. Recycling and segregation are one of the effective ways to lessen the volume of garbage being dump along rivers, canals, roads, public areas and including our houses. As citizen you can make a difference by recycling and segregating. Now let us apply your knowledge on this by acting as a garbage collector. Inside the garbage bin are words need to be thrown at the dump site. As a garbage collector you need to save the following words that describes and shows relationship with elements and compounds. Segregate them by writing it in the boxes.
Elements * 0 points Compounds * 0 points Predict what will happen if two elements, 2 atoms of hydrogen and oxygen were combined? * 1 point A. It will form salt B. It will form alloy C. It will form water D. It will form substance 14-15. Considering all that you’ve collected in your garbage bin of elements and compounds, among those which can be considered as the most essential needs of your body and why? * 2 points
