Circle one answer for each of the following questions and tell the reason. 1. Wh

Question

Circle one answer for each of the following questions and tell the reason.

1. Which is larger: "Phosphorus" or "Silicon"?

2. Which is larger: "Magnesium" or "Magnesium ion"?

3. Which is smaller : "Sulfur" or "Sulfide ion"?

4. Which is smaller: "Chloride ion" or "Potassium ion"?

5. Which has the greater ionization energy: "Arsenic" or "Sulfur"?

6. Which has the greater ionization energy: "Nitrogen" or "Oxygen"?

7. Which has the lesser electron affinity : "Fluorine" or "Bromine"?

8. Which has the greater metallic character: "Germanium" or "Arsenic"?

9. Which has the greater metallic character: "Rubidium" or "Cesium"?

10. Ionizing "Requires" or "Releases" energy?

11. Ionization is "Endothermic" or "Exothermic"?

12. Is silicon "Diamagnetic" or "Paramagnetic"?

Explanation / Answer

1. Si becoz nuclear charge less

2. Mg becoz nuclear charge less and Shell more

3. sulfide ion due to Shell more

4. chloride ion

5. arsenic due to half field

6. nitogen due to half field

7.Br

8. Ge

9. Cs

10. Require

11. endothermic

12. paramagnetic

5.

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