Textbook Question
Use the periodic table to determine each quantity.
a. the number of 3s electrons in Mg
b. the number of 3d electrons in Cr
c. the number of 4d electrons in Y
d. the number of 6p electrons in Pb
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Use the periodic table to determine each quantity.
b. the number of 3d electrons in Cr
Name an element in the fourth period (row) of the periodic table with the following: a. five valence electrons
Name an element in the fourth period (row) of the periodic table with the following: c. three 3d electrons
Name an element in the fourth period (row) of the periodic table with the following: d. full s and p sublevels
Name an element in the third period (row) of the periodic table with the following: a. three valence electrons