Atomic Orbitals and Electron Configuration

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Questions and Answers

What is the shape of an s orbital?

Cloverleaf

Spherical (correct)

Double Dumbbell

Dumbbell-shaped

Which principle states that electrons fill the lowest energy level first?

Hund's Rule

Aufbau Principle (correct)

Heisenberg Uncertainty Principle

Pauli Exclusion Principle

How many electrons can the p sublevel hold?

6 (correct)

How many orbitals are in the d sublevel?

5 Signup and view all the answers

Which sublevel is found in all principal energy levels?

s Signup and view all the answers

How many sublevels are present in the third principal energy level?

3 Signup and view all the answers

What shape is a p orbital?

Dumbbell-shaped Signup and view all the answers

The Pauli Exclusion Principle states that electrons in the same orbital must:

Have opposite spins Signup and view all the answers

How many total electrons can the d sublevel hold?

10 Signup and view all the answers

How many orbitals are in the p sublevel?

3 Signup and view all the answers

What is the noble gas abbreviation for the electron configuration of Neon?

[Ne] Signup and view all the answers

How many orbitals are present in the f sublevel?

7 Signup and view all the answers

How many electrons can occupy one orbital?

2 Signup and view all the answers

What is the shape of the d orbital?

Cloverleaf Signup and view all the answers

According to Hund's Rule, electrons:

Fill orbitals singly first Signup and view all the answers

What is the correct electron configuration for Oxygen?

1s² 2s² 2p⁴ Signup and view all the answers

Which rule governs the sequence of orbital filling?

Aufbau Principle Signup and view all the answers

What sublevel is present in all energy levels?

s Signup and view all the answers

How many electrons are needed to completely fill the second energy level?

8 Signup and view all the answers

What is the maximum number of electrons the f sublevel can hold?

14 Signup and view all the answers

How many sublevels are present in the fourth energy level?

4 Signup and view all the answers

How many orbitals are in an s sublevel?

1 Signup and view all the answers

Electrons in the same orbital must have opposite:

Spins Signup and view all the answers

Study Notes

Atomic Orbitals

The s orbital is spherical in shape.
The p orbital is dumbbell-shaped.
The d orbital has a cloverleaf shape.

Electron Configuration

The Aufbau principle states that electrons fill the lowest energy levels first.
The Pauli Exclusion Principle states that no two electrons in an atom can have the same set of four quantum numbers. This means that electrons in the same orbital must have opposite spins.
Hund's rule states that electrons fill orbitals singly first, with parallel spins, before doubling up.
The maximum number of electrons that can occupy a single orbital is 2.
The s sublevel can hold 2 electrons.
The p sublevel can hold 6 electrons.
The d sublevel can hold 10 electrons.
The f sublevel can hold 14 electrons.
The second energy level can hold a maximum of 8 electrons.

Electron Configuration of Atoms

The noble gas abbreviation for neon is [He].
The electron configuration of oxygen is 1s² 2s² 2p⁴.
The s sublevel is present in all energy levels.
The first energy level has 1 sublevel (s).
The second energy level has 2 sublevels (s and p).
The third energy level has 3 sublevels (s, p, and d).
The fourth energy level has 4 sublevels (s, p, d, and f).

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Description

Explore the shapes of atomic orbitals including s, p, d, and f types. Understand key principles like the Aufbau Principle, Pauli Exclusion Principle, and Hund's Rule that govern electron configurations. Test your knowledge on how many electrons different sublevels can hold and learn about the electron configuration of various elements.