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- Consider these elements: P, Ca, Si, S, Ga. a. Write the electron configuration for each element. b. Arrange the elements in order of decreasing atomic radius. c. Arrange the elements in order of increasing ionization energy. d. Use the electron configurations in part a to explain the differences between your answers to parts b and c.
문제 1
- What are the electron configurations of the six cations that sulfur forms, by losing one to six electrons? For cations with unpaired electrons, please provide orbital diagrams.
문제 1
- Write the balanced chemical equation for the reaction between chlorine gas and fluorine gas.
문제 9
문제 9.45b
Use the periodic table to determine each quantity.
b. the number of 3d electrons in Cu
문제 22
Which of the transition elements in the first transition series have anomalous electron configurations?
문제 39
Write the full electron configuration for each element. a. Si b. O c. K d. Ne
문제 41
Write the full orbital diagram for each element. a. N b. F c. Mg d. Al
문제 42a
Write the full orbital diagram for each element. a. S
문제 42b
Write the full orbital diagram for each element. b. Ca
문제 42c,d
Write the full orbital diagram for each element. c. Ne d. He
문제 43c
Use the periodic table to write an electron configuration for each element. Represent core electrons with the symbol of the previous noble gas in brackets. c. Zr
문제 44a,b,c
Use the periodic table to determine the element corresponding to each electron configuration. a. [Ar] 4s23d104p6 b. [Ar] 4s23d2 c. [Kr] 5s24d105p2
문제 45a
Use the periodic table to determine each quantity. a. the number of 2s electrons in Li
문제 45a,b,d
Use the periodic table to write an electron configuration for each element. Represent core electrons with the symbol of the previous noble gas in brackets. a. P b. Ge c. I
문제 45c
Use the periodic table to determine each quantity. c. the number of 4p electrons in Br
문제 46
Use the periodic table to determine each quantity.
b. the number of 3d electrons in Cr
문제 47a
Name an element in the fourth period (row) of the periodic table with the following: a. five valence electrons
문제 47b
Name an element in the fourth period (row) of the periodic table with the following: b. four 4p electrons
문제 47c
Name an element in the fourth period (row) of the periodic table with the following: c. three 3d electrons
문제 47d
Name an element in the fourth period (row) of the periodic table with the following: d. full s and p sublevels
문제 48a
Name an element in the third period (row) of the periodic table with the following: a. three valence electrons
문제 48b
Name an element in the third period (row) of the periodic table with the following: b. four 3p electrons
문제 48c
Name an element in the third period (row) of the periodic table with the following: c. six 3p electrons
문제 48d
Name an element in the third period (row) of the periodic table with the following: d. two 3s electrons and no 3p electrons
문제 49b
Determine the number of valence electrons in an atom of each element. b. Cs
문제 50
Determine the number of valence electrons in each element. Which elements do you expect to lose electrons in chemical reactions? Which do you expect to gain electrons? a. Al b. Sn c. Br d. Se
문제 51a
Which outer electron configuration would you expect to belong to a reactive metal? a. ns2 b. ns2np6 c. ns2np5 d. ns2np2
문제 51b
Which outer electron configuration would you expect to belong to a reactive nonmetal? a. ns2 b. ns2np6 c. ns2np5 d. ns2np2
문제 52a
Which outer electron configurations would you expect to belong to a noble gas? a. ns2 b. ns2np6 c. ns2np5 d. ns2np2
문제 52b
Which outer electron configurations would you expect to belong to a metalloid? ns2 b. ns2np6 c. ns2np5 d. ns2np2