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6. What is the charge of Calcium that has lost two electrons? a. -2 7. Determine the charge of Oxygen that has gained two electrons. b. +2 a. -2 8. What is the charge of Potassium that has lost lelectron? b. +2 a. +1 b. -1 9. Determine the charge of Phosphorus that has gained 3 electrons? a. +3 b. -3 10. For an atom to achieve its stability, how many electrons are needed to fill its outer shell? a. 8 b. 10

6. What is the charge of Calcium that has lost two electrons? a. -2 7. Determine the charge of Oxygen that has gained two electrons. b. +2 a. -2 8. What is the charge of Potassium that has lost lelectron? b. +2 a. +1 b. -1 9. Determine the charge of Phosphorus that has gained 3 electrons? a. +3 b. -3 10. For an atom to achieve its stability, how many electrons are needed to fill its outer shell? a. 8 b. 10

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What is the charge of calcium that has lost two electrons? Determine the charge of oxygen that has grained two electrons. What is the charge of potassium that has lost 1 electron? Determine the charge of phosphorus that has gained 3 electrons? For an atom to achieve its stability how many elecyrons are needed to fill its outher shell?
Directions: Read the following sentences and write the letter of the correct answer on the space provided. B 1. It is located in the outermost shell of the atom that can be transferred to or shared with another atom. b. valence electron a. proton A 2. To achieve its stability, an atom needs how many electrons to fill its outer shell? a. 8 b. 10 3. It is the attraction between atoms, ions or molecules that enables the formation of chemical compound. A a. chemical bond 4. An atom that has gained electrons has a a. negative B 5. The positively charged ion is called b. covalent bond charge. b. positive a. anion b. cation 6. What is the charge of Calcium that has lost two electrons? a. -2 b. +2 7. Determine the charge of Oxygen that has gained two electrons. a. -2 b. +2 8. What is the charge of Potassium that has lost lelectron? a. +1 9. Determine the charge of Phosphorus that has gained 3 b. -1 electrons? а. +3 10. For an atom to achieve its stability, how many electrons are needed to fill its outer shell? b. -3 a. 8 b. 10
Transcribed Image Text:Directions: Read the following sentences and write the letter of the correct answer on the space provided. B 1. It is located in the outermost shell of the atom that can be transferred to or shared with another atom. b. valence electron a. proton A 2. To achieve its stability, an atom needs how many electrons to fill its outer shell? a. 8 b. 10 3. It is the attraction between atoms, ions or molecules that enables the formation of chemical compound. A a. chemical bond 4. An atom that has gained electrons has a a. negative B 5. The positively charged ion is called b. covalent bond charge. b. positive a. anion b. cation 6. What is the charge of Calcium that has lost two electrons? a. -2 b. +2 7. Determine the charge of Oxygen that has gained two electrons. a. -2 b. +2 8. What is the charge of Potassium that has lost lelectron? a. +1 9. Determine the charge of Phosphorus that has gained 3 b. -1 electrons? а. +3 10. For an atom to achieve its stability, how many electrons are needed to fill its outer shell? b. -3 a. 8 b. 10
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