Chap. 3 & 4 Flashcard

Front

What does the 1 in '1s' stand for?

Back

Energy level.

Front

How many electrons are in 1s² 2s² 2p⁴?

Back

8 electrons.

Front

How many moles are in 3.01 x 10²² atoms of magnesium?

Back

0.05 moles.

Front

According to the Aufbau's principle, where should the first electron go in electron configurations?

Back

1s.

Front

This shape is that of: s-orbital, d-orbital, p-orbital, or f-orbital?

Back

p-orbital.

Front

What is the maximum number of electrons in the 2p subshell?

Back

6 electrons.

Front

Define the Aufbau principle.

Back

Electrons occupy the lowest energy orbitals first.

Front

What is the electron configuration for oxygen (atomic number 8)?

Back

1s² 2s² 2p⁴.

Front

What is the significance of the quantum number 'n'?

Back

It indicates the energy level of an electron.

Front

How many orbitals are in the d subshell?

Back

5 orbitals.