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

Involves all elements and 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 $$n = 3$$, how many different types of orbitals are present in the shell?

Accepted Answer

3 types: 3s, 3p, and 3d

Question 5

Which rule states that electrons occupy degenerate orbitals singly before pairing?

Accepted Answer

Hund's Rule

Question 6

What is the electron configuration of Mo ($$Z=42) in $$its ground state?

Accepted Answer

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

Question 7

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

Accepted Answer

Magnetic quantum number ($$m_l)$$

Question 8

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

Accepted Answer

2

Question 9

Which of the following best explains the special stability of half-filled and fully-filled d or f subshells?

Accepted Answer

They minimize electron repulsion and maximize exchange energy.

Question 10

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

Accepted Answer

Pauli Exclusion Principle

Question 11

What is the correct order of filling for the following orbitals in a neutral atom: 4s, 3d, 4p?

Accepted Answer

4s \u003c 3d \u003c 4p

Question 12

Which element has a valence electron configuration of $$[Ne] 3s^2$ 3p^2$?

Accepted Answer

Silicon

Question 13

When forming cations, from which orbital are electrons removed first?

Accepted Answer

From the highest principal quantum number ($$n)$$

Question 14

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

Accepted Answer

EN is inversely related to metallic character.

Question 15

What is the difference in electronegativity ($$\Delta EN) $$between tungsten (W, EN = 2.5) and carbon (C, EN = 1.7)?

Accepted Answer

$$\Delta EN = 0.8$$

Question 16

Which of the following is a consequence of the Pauli Exclusion Principle?

Accepted Answer

No two electrons in an atom can have the same set of quantum numbers.

Question 17

Which orbital has a dumbbell shape and three possible orientations?

Accepted Answer

p-orbital

Question 18

Which of the following elements is considered a transition metal based on its electron configuration?

Accepted Answer

Mo

Question 19

Which quantum number is associated with the shape of an orbital?

Accepted Answer

Angular momentum quantum number ($$l)$$

Question 20

Which of the following best describes the difference between organic and inorganic chemistry?

Accepted Answer

Organic chemistry mainly involves covalent or polar covalent bonds, while inorganic chemistry involves all elements and all modes of bonding.

CHEM 30301 Inorganic Chemistry 1: Atomic Structure, Quantum Mechanics, and Electron Configuration

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