For each of the following elements, provide the complete electron configuration. 

a. Rb
b. S
c. Ar
d. As

The following four elements belong to the second and third periods of the periodic table. Draw a complete orbital diagram for each of these elements.
a. Ne
b. Be
c. Na
d. O

Using the periodic able, provide the name of the element in the fifth period that has fully-filled s and d orbitals.

Which of the following is the ground-state electron configuration for an atom with Z = 108?

Which element has the following electron configuration: [Kr]5s²4d¹?

Which of the following electron configurations is correct for arsenic (₃₃As)?

Palladium (Pd) has an odd electron configuration. Write the complete electron configuration of Pd in order of increasing orbital energy.

Which one of the following statements is/are true?

1. Selenium (Se) has the electron configuration [Ar]4s²4d¹⁰4p³
2. Silver (Ag) has the electron configuration [Kr] 5s¹4d¹⁰
3. Chromium (Cr) has the electron configuration [Ar] 4s¹3d⁵

Looking at the position of palladium (Pd) in the periodic table, determine the number of its 4d electrons.

Identify two elements with two unpaired electrons in their 3+ ions found in the Sc to Zn transition metal series.

For the following X ions, provide condensed ground-state electron configurations and indicate which ions have electron configurations identical to inert gases.
(a) Sc³⁺
(b) Li⁺
(c) O²⁻
(d) F⁻
(e) Ca²⁺
(f) V²⁺

Draw an orbital diagram for the Sc⁺ cation.

Identify the number of unpaired electrons present in:

a) S

b) Co

c) Ca

d) Cl

Select the diamagnetic element