Q 4.95

Question: Arrange the following facets from greatest to lowest metallic character: S, Al, Cs, F, Sr, Cl


A. In order to deal with this problem, one must first know that metallic character boosts as friend go down a group in the periodic table, and as you walk left in ~ a duration on the routine table.

You are watching: Which of the following atoms has the greatest metallic character?

B. Then, in bespeak to determine the metallic personality on every of the elements, you have to look in ~ their place on the regular table.

C. Because the question asks for the aspects to be noted in order of decreasing metallic character, it would certainly make an ext sense to find the element with the highest possible metallic character first, climate the 2nd highest, etc.

D. Double check to make sure they room in the correct order and that you have not skipped any elements.

A. When relocating from left to right, metallic character decreases because the aspects tend to acquire electrons to to fill valence shells quite than shed them. Elements on the ideal side, choose chlorine, will acquire electrons to to fill their valence shells, while elements on the left side, choose cesium, will lose electrons in order to have actually a full valence shell. When relocating down the routine table, metallic character rises because elements can shed electrons an ext easily as the atom radius increases. This is because the attraction in between the nucleus and valence electrons decreases as there is an ext distance in between them.

B. pull up a regular table top top a computer, or one that is in your civicpride-kusatsu.netistry book. This is so the you can visually compare wherein each facet is in ~ on the routine table.

C. Look top top the bottom left next of the table and try to locate some that the aspects listed. Friend will view that cesium (Cs) and also strontium (Sr) are inserted on the bottom left side, therefore they will have the greatest metallic characters. Cesium is farther under and an ext left 보다 strontium, so cesium will have actually the highest metallic character and strontium will have the 2nd highest metallic character. Next, girlfriend will view that aluminum (Al) is situated farther left than sulfur, chlorine, and fluorine. This way that aluminum will certainly be the aspect with the 3rd highest metallic character. The only aspects left room sulfur (S), chlorine (Cl), and also fluorine (F). They space all located within a an extremely close distance of one another. Sulfur is the farthest left and farthest down of the three, so it will have the 4th highest metallic character. Chlorine is right listed below fluorine, making it the element with the fifth highest metallic character. This leaves fluorine as the critical element, an interpretation it has the shortest metallic character.


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We discovered cesium, strontium, aluminum, sulfur, chlorine, and also fluorine ~ above the routine table. Cesium is the farthest left and also the lowest, when fluorine is the the furthest right and the highest, therefore we know they have actually the greatest metallic character and also the shortest metallic character, respectively.

Answer: Cs, Sr, Al, S, Cl, F

Q 6.55

Question: For every figure, state the:

a) total number of electron groups

b) number of bonding pairs

c) number of lone pairs

d) electron geometry

e) molecule geometry

Figure 1:


Figure 2: