Editing Answer To CP Questions For Periodic Trends Coulombic Force, Atomic Radii And Electronegativity
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Here are the answers to the question in [[CP Questions for Periodic Trends Coulombic Force, Atomic Radii and Electronegativity]].<br> <br> <br> 1. Decrease.<br> Reason: As you go down a Group, the valence electrons are in higher Energy level (n), causing the electron to be farther from the nucleus so the CF decreases (less pull of nucleus to the valence electrons).<br> <br> 2. Top right.<br> <br> 3. Atomic size decreases as you go across a Period. <br> Reason: Since the nuclear charge is increasing causing a greater pull to valence electrons (greater CF) the valence electron are closer (since they are on the outside of atom, they determine size of atom).<br> <br> 4. Top Right<br> <br> 5. Nucleus of atom has great "pull" (i.e. Coulombic force, CF) for valence electrons. In other words, <br> High EN value elements has high CF<br> <br> 6. EN increases as go across<br> Reason: since the nuclear charge is increasing causing the nucleus to have a greater pull (CF) to the nucleus.<br> <br> 7. Top right<br> <br> 8. Cs, Ca, Ni, C, O<br> <br> 9. Rb, Mg, P, Cl<br> <br> 10. F, C, Al, K<br> <br>
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