专题3·物质结构与元素周期律状元纠错（Topic 3 · material structure and the periodic law of the elements）.docVIP

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专题3·物质结构与元素周期律状元纠错（Topic 3 · material structure and the periodic law of the elements）.doc

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专题3·物质结构与元素周期律状元纠错（Topic 3 · material structure and the periodic law of the elements）

专题3·物质结构与元素周期律状元纠错（Topic 3 · material structure and the periodic law of the elements） Topic 3 · material structure and the periodic law of the elements [1] there are Wn +, Xm +, Ym -, Zn - four ions (m n), and the m electrons in W, X, Y and Z have an odd number of electrons. The following statement is correct The ionic radius of a.w. n +, Xm +, Ym - and Zn increases The thermal stability of gaseous hydrides of b. y and Z The highest valence oxide for C.W, X, Y, and Z is a strong electrolyte The alkalinity of the water compounds corresponding to the highest valence oxide of D.W, X, Y, and Z decreases and the acidity increases successively The first one is the greedy way of thinking, which cannot be derived from the periodic table of the elements. The second is the law of the radius of the ion radius and the law of the strong and weak elements of elements is not memorized. The number of electrons on the M electron layer is an odd number of atoms: Na, Al, P, Cl, corresponding ions are Na +, Al3 +, P3 -, Cl -, M BBB 0 n, W is Na + X is Al3 + Y is P3 - Z is Cl -. [2] in the following items, the correct order is () Heat stability of solid: Na2CO3 CaCO3 NaHCO3 The concentration of NH4 + in the following solution of the same substance concentration: (NH4) 2SO4 (NH4) 2CO3 NH4Cl Particle radius: K + S2 - F The ability to give protons: CH3COOH, , C2H5OH, H2O The boiling point of the hydrates: H2Se H2S A. in b. in c. in d. in Wrong solution error analysis 】【 A or D, (3) in the fourth cycle of K, and S on the third cycle, (3) right, (5) in the atomic weight Se S O, form A structure similar to that of material, the higher molecular weight, the greater the boiling point. Therefore, (5) the right [answer] C. The one that ignores the law of the atomic radius is the same: the electron configuration is the same, and the larger the nuclear charge is, the smaller the radius is. The second is to ignore the presence of hydrogen bonds in the water molecules. The carbonic acid i