Read the following questions carefully. Answer each item using the Zipgrade answer sheet. 1. Bromine, Iodine, and chlorine are nonmetals. What BEST distinguishes a nonmetal from a metal is its _____. A. homogeneity. C. poor conductor of electricity. B. boiling point. D. ductility 2. Which of the following DOES NOT describe the properties of silver, gold, and zinc? A. They are good conductors of heat and electricity. C. They are brittle as solids. B. They can be drawn into wires D. They are malleable. 3. Which is TRUE about metals? A. They have varying melting points. B. They are used to prevent thermal or electrical conductivity. C. They are good conductors of heat. D. They have low melting point. 4. Substance A and substance B were tested for their physical characteristics. The results showed that substance A and substance B are malleable, heat conductor, shiny and ductile. What is the nature of substance A and substance B? A. acids B. metal C. nonmetals D. metalloids 5. Some metals like gold and silver are used in making jewelry. What property of these metals is considered for this purpose? A. It is expensive. B. It is corrosive. C. It is malleable. D. It is shiny. 6. Jay is planning to install the electrical wires in a newly built house. He is planning to use copper wires. What characteristic of copper wire is ideal for electrical wirings? A. brittle B. ductile C. elastic D. malleable 7. Which of the following is the correct symbol for sodium? A. S B. Na C. So D. Sd Read the following questions carefully. Answer each item using the Zipgrade answer sheet.8. It is the combination of atoms which can be separated using chemical processes.

A. Element B. Compound C. Atom D. Molecule

9. Water is not found on the periodic table because water is a _____.

A. Compound B. Atom C. Liquid D. Mixture

10. When the elements copper (Cu) and oxygen (O) chemically combine, they form _____.

A. an ion B. a gas C. a compound D. a mixture

11. Which of the following statements is CORRECT?

A. Water and nitrogen are both elements. C. Water is a compound and nitrogen is an element.

B. Water is an element and nitrogen is a compound. D. Water and nitrogen are both compounds.

12. A substance made up of only one type of atom is called _____.

A. an element B. a gas C. a compound D. a mixture

13. One of the following substances is not an element. Which one is it?

A. Mercury B. Hydrogen C. Nitrogen D. Water

14. Metals are good conductors of heat and electricity. Which element does NOT exhibit this property?

A. Aluminum B. Chromium D. Sulfur D. Tungsten

15. When electricity passes through water, hydrogen and oxygen are produces. Which is correctly labels the

compounds and elements involved in the process?

A. Water- compound, Hydrogen-compound, Oxygen-element

B. Water-compound, Hydrogen-element, Oxygen-compound

C. Water-compound, Hydrogen-element, Oxygen-element

D. Water-compound, Hydrogen-compound, Oxygen-compound
pa answer po ng matino plssss
salamat po and yung may matinong answer po brainly ko po thnx

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