Orbial Diagram & Nobel Gas Notation

Question 1

What is an orbital diagram?

Answer 1

An orbital diagram is a visual representation of the electron configuration of an atom, showing the distribution of electrons in atomic orbitals.

Question 2

True or False: Each orbital can hold a maximum of two electrons.

Answer 2

True

Question 3

What notation is used to simplify the electron configuration of elements?

Answer 3

Noble gas notation

Question 4

Fill in the blank: The _______ principle states that electrons occupy the lowest energy orbitals first.

Answer 4

Aufbau

Question 5

What are the four types of orbitals?

Answer 5

s, p, d, f

Question 6

In an orbital diagram, what does an arrow represent?

Answer 6

An arrow represents an electron.

Question 7

What is the electron configuration for oxygen using the noble gas notation?

Answer 7

[He] 2s² 2p⁴

Question 8

Which orbital is filled after the 3p orbital?

Answer 8

4s orbital

Question 9

True or False: The 3d orbital is filled before the 4s orbital.

Answer 9

False

Question 10

What does the Pauli Exclusion Principle state?

Answer 10

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

Question 11

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

Answer 11

2

Question 12

Which noble gas configuration is used for the element sodium (Na)?

Answer 12

[Ne] 3s¹

Question 13

Fill in the blank: The _______ rule states that electrons will occupy degenerate orbitals singly before pairing up.

Answer 13

Hund’s

Question 14

What is the electron configuration for chlorine (Cl)?

Answer 14

[Ne] 3s² 3p⁵

Question 15

True or False: The f orbitals can hold up to 14 electrons.

Answer 15

True

Question 16

What is the primary purpose of using noble gas notation?

Answer 16

To simplify the representation of electron configurations.

Question 17

What is the electron configuration for argon (Ar) using noble gas notation?

Answer 17

[Ne] 3s² 3p⁶

Question 18

How many orbitals are in the d subshell?

Answer 18

5

Question 19

Fill in the blank: The maximum number of electrons in the p subshell is ______.

Answer 19

6

Question 20

What is the term for the specific region in an atom where an electron is likely to be found?

Answer 20

Orbital

Question 21

Which element has the electron configuration [Kr] 5s² 4d¹⁰ 5p³?

Answer 21

Antimony (Sb)

Question 22

True or False: The 4p orbital is filled before the 3d orbital.

Answer 22

False

Question 23

What is the electron configuration for the element with atomic number 26?

Answer 23

[Ar] 4s² 3d⁶

Question 24

What is the significance of the noble gases in the periodic table?

Answer 24

Noble gases have full valence shells, making them chemically inert.

Question 25

When filling orbitals, do you fill square by square (arrow up and down) or fill all the ups one by one first?

Answer 25

All ups one by one first