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7. Draw electron dot structures for the following elements: Na, Al, P, Cl, and Ar. Which are most chemically reactive? Which are least chemically reactive?

7. Draw electron dot structures for the following elements: Na, Al, P, Cl, and Ar. Which are most chemically reactive? Which are least chemically reactive?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Please help me with question 7 on my homewwork, see attached

**Question 7:** Draw electron dot structures for the following elements: Na, Al, P, Cl, and Ar. Which are most chemically reactive? Which are least chemically reactive? **Explanation:** - Electron dot structures, also known as Lewis dot structures, represent the valence electrons of an atom. - Here's how to draw the electron dot structures for each element: - **Na (Sodium):** - Sodium has 1 valence electron. Its electron dot structure is Na·. - **Al (Aluminum):** - Aluminum has 3 valence electrons. Its electron dot structure is Al with three dots around it. - **P (Phosphorus):** - Phosphorus has 5 valence electrons. Its electron dot structure is P with five dots around it. - **Cl (Chlorine):** - Chlorine has 7 valence electrons. Its electron dot structure is Cl with seven dots around it. - **Ar (Argon):** - Argon is a noble gas with 8 valence electrons. Its electron dot structure is Ar with eight dots around it. - **Chemical Reactivity:** - **Most Chemically Reactive:** Sodium (Na) is highly reactive because it can easily lose one electron to achieve a stable configuration. - **Least Chemically Reactive:** Argon (Ar) is the least reactive as it already has a complete valence shell, making it stable and inert.
Transcribed Image Text:**Question 7:** Draw electron dot structures for the following elements: Na, Al, P, Cl, and Ar. Which are most chemically reactive? Which are least chemically reactive? **Explanation:** - Electron dot structures, also known as Lewis dot structures, represent the valence electrons of an atom. - Here's how to draw the electron dot structures for each element: - **Na (Sodium):** - Sodium has 1 valence electron. Its electron dot structure is Na·. - **Al (Aluminum):** - Aluminum has 3 valence electrons. Its electron dot structure is Al with three dots around it. - **P (Phosphorus):** - Phosphorus has 5 valence electrons. Its electron dot structure is P with five dots around it. - **Cl (Chlorine):** - Chlorine has 7 valence electrons. Its electron dot structure is Cl with seven dots around it. - **Ar (Argon):** - Argon is a noble gas with 8 valence electrons. Its electron dot structure is Ar with eight dots around it. - **Chemical Reactivity:** - **Most Chemically Reactive:** Sodium (Na) is highly reactive because it can easily lose one electron to achieve a stable configuration. - **Least Chemically Reactive:** Argon (Ar) is the least reactive as it already has a complete valence shell, making it stable and inert.
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