H. POSTTEST Choose and encircle the letter of the correct answer. 1. Hydrogen gas (H2) and oxygen gas (02) are called diatomic molecules. All these types of molecules belong to what type of covalent bond? A. covalent C. polar B. ionic 2. Which of the following types of bonds will have a high electrical conductivity? D. non-polar A. covalent bond C. non-polar covalent bond B. ionic bond D. polar covalent bond 3. In covalent bonding, electrons are shared between atoms or elements to attain stability. What do you call the particle/substance produced with covalent bond? A. atom B. molecule C. compound D. ion 4. Which of the following physical properties is TRUE to an ionic compound? A. low melting point B. low boiling point C. poor conductor D. high melting point 5. The following compounds are commonly found in nature or in our household. Which of the following will have the highest melting temperature? A. sucrose (sugar) chloride (NaCl) B. dihydrogen monoxide (water) C. oxygen gas) D. sodium 6. Non-polar covalent bonding involves the equal sharing of electrons between atoms to attain stability. Which of the following compounds has a non-polar covalent bond? A. HCI B. CHA C. O₂ D. NaCl 7. Which is TRUE to a compound with polar covalent bond? A. electron is transferred B. electron is shared unequally C. electron is shared equally D. electron is removed in an atom 8. What happens to the electron of metal element in ionic bonding forming a compound? A. shared to a non-metal C. shared unequally with non-metal B. transferred to non-metal D. transferred to another metal 9. What is the main goal of an element to bond with other elements and form a compound? A. to be reactive C. to be stable B. to be highly unstable D. to be unstable and stable 10. Which is the main reason why electron(s) of metal element tend(s) to transfer completely to non- metal element? A. metals have higher melting point B. non-metals have low melting point C. metals have higher electronegativity value D. metals have lower electronegativity value

Question

H. POSTTEST Choose and encircle the letter of the correct answer. 1. Hydrogen gas (H2) and oxygen gas (02) are called diatomic molecules. All these types of molecules belong to what type of covalent bond? A. covalent C. polar B. ionic 2. Which of the following types of bonds will have a high electrical conductivity? D. non-polar A. covalent bond C. non-polar covalent bond B. ionic bond D. polar covalent bond 3. In covalent bonding, electrons are shared between atoms or elements to attain stability. What do you call the particle/substance produced with covalent bond? A. atom B. molecule C. compound D. ion 4. Which of the following physical properties is TRUE to an ionic compound? A. low melting point B. low boiling point C. poor conductor D. high melting point 5. The following compounds are commonly found in nature or in our household. Which of the following will have the highest melting temperature? A. sucrose (sugar) chloride (NaCl) B. dihydrogen monoxide (water) C. oxygen gas) D. sodium 6. Non-polar covalent bonding involves the equal sharing of electrons between atoms to attain stability. Which of the following compounds has a non-polar covalent bond? A. HCI B. CHA C. O₂ D. NaCl 7. Which is TRUE to a compound with polar covalent bond? A. electron is transferred B. electron is shared unequally C. electron is shared equally D. electron is removed in an atom 8. What happens to the electron of metal element in ionic bonding forming a compound? A. shared to a non-metal C. shared unequally with non-metal B. transferred to non-metal D. transferred to another metal 9. What is the main goal of an element to bond with other elements and form a compound? A. to be reactive C. to be stable B. to be highly unstable D. to be unstable and stable 10. Which is the main reason why electron(s) of metal element tend(s) to transfer completely to non- metal element? A. metals have higher melting point B. non-metals have low melting point C. metals have higher electronegativity value D. metals have lower electronegativity value​

alixzamarirapacon · Answer

Diatomic molecules like hydrogen (H₂) and oxygen (O₂) are formed by sharing electrons between two atoms of the same element. This sharing of electrons creates a covalent bond. 2.  B. ionic bond

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