Question 1

Which statement best describes the scope of inorganic chemistry?

Accepted Answer

It is the chemistry of everything except organic compounds, including all elements and all modes of bonding.

Question 2

Which of the following is NOT a typical property of organic compounds compared to inorganic compounds?

Accepted Answer

All elements are involved, with all modes of bonding

Question 3

Which quantum number primarily determines the energy and size of an atomic orbital?

Accepted Answer

Principal quantum number ($n$)

Question 4

Given the Schrödinger equation $\hat{H}\Psi = E\Psi$, what does $\Psi$ represent?

Accepted Answer

The wavefunction describing the probability distribution of an electron

Question 5

How many possible orientations are there for a d-orbital in space?

Accepted Answer

5

Question 6

Which rule states that electrons will not pair in degenerate orbitals until each orbital contains one electron?

Accepted Answer

Hund's Rule

Question 7

What is the electron configuration for a neutral Mo atom?

Accepted Answer

$[Kr] 5s^1 4d^5$

Question 8

Which quantum number defines the orientation of an orbital in space?

Accepted Answer

Magnetic quantum number ($m_l$)

Question 9

What is the maximum number of electrons that can occupy a single orbital?

Accepted Answer

2

Question 10

Which element is considered to have a 'special' stability due to a half-filled d subshell?

Accepted Answer

Molybdenum (Mo)

Question 11

Which principle explains why no two electrons in an atom can have the same set of four quantum numbers?

Accepted Answer

Pauli Exclusion Principle

Question 12

What is the electron configuration for a $Ti^{2+}$ ion?

Accepted Answer

$[Ar] 3d^2$

Question 13

Which block of the periodic table contains elements with valence electrons in the $f$ orbitals?

Accepted Answer

f-block

Question 14

Which of the following statements about electronegativity (EN) is TRUE?

Accepted Answer

EN is inversely related to metallic character.

Question 15

Which element has an electron configuration of $[Xe] 6s^1 4f^{14} 5d^{10}$?

Accepted Answer

Gold (Au)

Question 16

Which quantum number determines the shape of an orbital?

Accepted Answer

Azimuthal quantum number ($l$)

Question 17

Which of the following is a correct statement about the electron configuration of ions?

Accepted Answer

Electrons are removed from the highest principal quantum number ($n$) orbital first.

Question 18

Which of the following is NOT a typical application of inorganic chemistry?

Accepted Answer

Synthesis of polymers for plastics

Question 19

What is the correct electron configuration for Am ($Z=95$) using the alternative arrangement of f-elements?

Accepted Answer

$[Rn] 7s^2 5f^7$

Question 20

Which of the following statements about hydrogen's placement in the periodic table is supported by its electronegativity?

Accepted Answer

Hydrogen's electronegativity suggests it could be placed above Group 2 or Group 17.

Introduction to Inorganic Chemistry: Atomic Structure, Bonding, and Electron Configuration

Study Guide - Practice Questions