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Chapter 6: Q56E (page 336)

Question:Which atom has the electron configuration 1s22s22p63s23p63d74s2?

Short Answer

Expert verified

The atom is cobalt (Co).

Step by step solution

01

analyzing the given data

Given electron configuration = 1s22s22p63s23p63d74s2

To find; the atom with the given configuration

02

determining the atom which has the given electron configuration

Observing the periodic table, to identify an atom with the electron configuration 1s22s22p63s23p63d74s2, we need to focus on 3d74s2, this leads us to atomic number 27, which is Co (Cobalt) in the periodic table.

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Most popular questions from this chapter

Question: Based on their positions in the periodic table, predict which has the smallest atomic radius: Mg, Sr, Si, Cl, I.

Question:Based on their positions in the periodic table, predict which has the smallest first ionization energy: Li, Cs, N, F, I.

Question:Which of the following equations describe particle-like behavior? Which describe wavelike behavior? Do any

involve both types of behavior? Describe the reasons for your choices.

(a)c=位谓

(b)E=尘谓2

2

(c)r=n2a0

Z

(d)E = h谓

(e)位=h

尘谓

Question:Consider the orbitals shown here in the outline.

(a) What is the maximum number of electrons contained in an orbital of type (x)? Of type (y)? Of type (z)?

(b) How many orbitals of type (x) are found in a shell withn= 2? How many of type (y)? How many of type (z)?

(c) Write a set of quantum numbers for an electron in an orbital of type (x) in a shell withn= 4. Of an orbital of type

(y) in a shell withn= 2. Of an orbital of type (z) in a shell withn= 3.

(d) What is the smallest possiblenvalue for an orbital of type (x)? Of type (y)? Of type (z)?

(e) What are the possiblelandmlvalues for an orbital of type (x)? Of type (y)? Of type (z)?

Question:Read the labels of several commercial products and identify monatomic ions of at least four transition elementscontained in the products. Write the complete electron configurations of these cations.
See all solutions

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