Q 4.95

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


A. In stimulate to deal with this problem, one must first know that metallic character boosts as you go down a team in the regular table, and as you go left in ~ a period on the routine table.

You are watching: Select the element with the greatest metallic character.

B. Then, in bespeak to determine the metallic personality on each of the elements, you need to look at their location on the periodic table.

C. Due to the fact that the concern asks for the facets to be noted in stimulate of decreasing metallic character, it would make much more sense to find the element with the greatest metallic character first, climate the 2nd highest, etc.

D. Twin check to make certain they room in the correct order and also that you have not skipped any elements.

A. When relocating from left to right, metallic personality decreases due to the fact that the elements tend to get electrons to to fill valence shells quite than lose them. Aspects on the best side, like chlorine, will acquire electrons to to fill their valence shells, while facets on the left side, choose cesium, will shed electrons in stimulate to have a full valence shell. When relocating down the periodic table, metallic character boosts because elements can shed electrons more easily together the atom radius increases. This is since the attraction between the nucleus and valence electron decreases together there is much more distance in between them.

B. pull up a periodic table on a computer, or one the is in her cg-tower.comistry book. This is so the you can visually compare wherein each facet is at on the regular table.

C. Look top top the bottom left side of the table and shot to find some that the aspects listed. Friend will watch that cesium (Cs) and strontium (Sr) are placed on the bottom left side, therefore they will have actually the highest possible metallic characters. Cesium is farther under and much more left than strontium, for this reason cesium will have actually the highest possible metallic character and also strontium will have actually the 2nd highest metallic character. Next, friend will check out that aluminum (Al) is situated farther left 보다 sulfur, chlorine, and also fluorine. This means that aluminum will be the aspect with the third highest metallic character. The only facets left room sulfur (S), chlorine (Cl), and also fluorine (F). They are all situated within a an extremely close street of one another. Sulfur is the farthest left and also farthest down of the three, so the will have actually the fourth highest metallic character. Chlorine is right listed below fluorine, making that the aspect with the fifth highest metallic character. This leaves fluorine together the last element, an interpretation it has the shortest metallic character.


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We uncovered cesium, strontium, aluminum, sulfur, chlorine, and also fluorine top top the periodic table. Cesium is the farthest left and the lowest, while fluorine is the farthest right and the highest, so we know they have the greatest metallic character and also the shortest metallic character, respectively.

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

Q 6.55

Question: For each figure, state the:

a) total variety of electron groups

b) number of bonding pairs

c) variety of lone pairs

d) electron geometry

e) molecule geometry

Figure 1:


Figure 2: