The list that correctly indicates the order of

Ответ:

carriboneman

14.01.2022

Chemistry

C) Si > P > S .

Explanation:

In the Periodic Table, the metallic character increases from right to left and from top to bottom.

The list that correctly indicates the order of metallic character is

A) B > N > C . NO. C is in Group 14 and N is in Group 15.

B) F > Cl > S . NO. F and Cl are in Group 17 and S is in Group 16.

C) Si > P > S . YES. Si is in Group 14, P is in Group 15 and S is in Group 16.

D) P > S > Se. NO. Se is below S in the Group 16.

E) Na > K > Rb. NO. Na is above K, which is above Rb in Group 1.

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Ответ:

C4171

27.09.2021

Chemistry

$\boxed {\begin{array}{|c|c|c|c|cccc|}\cline {1-8}\sf Element & \sf Symbol & \sf Valency & \sf{Atomic\:Number} & & \sf{Electron} & \sf Configuration & \\ \cline {5-8} &&&&\bf K&\bf L &\bf M&\bf N \\ \cline {1-8}\rm Hydrogen &\sf H & 1 & 1 & 1 &&& \\ \cline {1-8}\rm Helium &\sf He & 0 & 2 & 2 &&& \\ \cline {1-8}\rm Lithium &\sf Li & 1& 3 &2 &1 && \\ \cline {1-8}\rm Beryllium &\sf Be & 2 & 4 & 2 & 2 && \\ \cline {1-8}\rm Boron &\sf B & 3 & 5 & 2 & 3 && \\ \cline {1-8}\rm Carbon & \sf C & 4 & 6 & 2 & 4 && \\ \cline {1-8}\rm Nitrogen &\sf N & 3 & 7 & 2 & 5 && \\ \cline {1-8}\rm Oxygen &\sf O & 2 & 8 & 2 & 6 && \\ \cline {1-8}\rm Fluorine &\sf F & 1 & 9 & 2 & 7 && \\ \cline {1-8}\rm Neon & \sf Ne & 0 & 10 & 2 & 8 && \\ \cline {1-8}\rm Sodium &\sf Na & 1 & 11 & 2 & 8 & 1 &\\ \cline {1-8}\rm Magnesium &\sf Mg & 2 & 12 & 2 & 8 & 2 & \\ \cline {1-8}\rm Aluminium &\sf Al & 3 & 13 & 2 & 8 & 3 & \\ \cline{1-8}\rm Silicon &\sf Si & 4 & 14 & 2 & 8 & 4 & \\ \cline {1-8}\rm Phosphorus &\sf P & 3 & 15 & 2 & 8 & 7 & \\ \cline {1-8}\rm Sulphur &\sf S & 2 & 16 & 2 & 8 & 8 & \\ \cline{1-8}\rm Chlorine &\sf Cl & 1 & 17 & 2 & 8 & 8 &1 \\ \cline {1-8}\rm Argon &\sf Ar & 0 & 18 & 2 & 8 & 8 & 2 \\ \cline {1-8}\rm Potassium &\sf K & 1 & 19 & 2 & 8 & 8 &3 \\ \cline {1-8}\rm Calcium &\sf Ca & 2 & 20 & 2 & 8 & 8 & 4 \\ \cline{1-8} \end {array}}$

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The list that correctly indicates the order of metallic character is

a) b > n > c
b) f > cl > s
c) si > p > s
d) p > s > se
e) na > k > rb

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The list that correctly indicates the order of metallic character is a) b > n > c b) f > cl > s c) si > p > s d) p > s > se e) na > k > rb

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The list that correctly indicates the order of metallic character is

a) b > n > c
b) f > cl > s
c) si > p > s
d) p > s > se
e) na > k > rb