Q2E1: Atomic Structure and Electron Configuration

Front

What is the electron configuration for a magnesium atom?

Back

1s² 2s² 2p⁶ 3s²

Front

What is the electron configuration for an oxygen atom?

Back

1s² 2s² 2p⁴

Front

What is a pure substance?

Back

A material that has a constant composition and consistent properties throughout.

Front

What atom has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰?

Back

Zinc

Front

How many electrons does an atom with the electron configuration 1s² 2s² 2p⁶ have?

Back

10

Front

What is the maximum number of electrons that can occupy the 2p subshell?

Back

6 electrons.

Front

What is the significance of the Aufbau principle in electron configuration?

Back

It states that electrons occupy the lowest energy orbitals first.

Front

What is the Pauli Exclusion Principle?

Back

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

Front

What is Hund's Rule?

Back

Electrons will fill degenerate orbitals singly before pairing up.

Front

What is the total number of electrons in a neutral atom of carbon?

Back

6 electrons.