REVIEW Unit 4/5

Front

What does the orbital diagram represent for the element Oxygen?

Back

The orbital diagram for Oxygen shows the distribution of its electrons in atomic orbitals, specifically indicating that it has 8 electrons with the configuration 1s² 2s² 2p⁴.

Front

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

Back

The maximum number of electrons that can be placed in a p orbital is 6.

Front

Calculate the molar mass of AuCl₃.

Back

The molar mass of AuCl₃ is 303.3 g.

Front

What is the electron configuration of a Chloride (Cl⁻) ion?

Back

The electron configuration of a Chloride ion (Cl⁻) is 1s² 2s² 2p⁶ 3s² 3p⁶.

Front

What is an isotope?

Back

An isotope is a variant of a chemical element that has the same number of protons but a different number of neutrons.

Front

What is the difference between atomic mass and molar mass?

Back

Atomic mass is the mass of a single atom, while molar mass is the mass of one mole of a substance, expressed in grams per mole.

Front

Define the term 'electron configuration'.

Back

Electron configuration is the distribution of electrons in an atom's orbitals, described by a series of numbers and letters.

Front

What is the significance of the p orbital in electron configuration?

Back

The p orbital can hold a maximum of 6 electrons and is important for determining the chemical properties of elements.

Front

How do you determine the molar mass of a compound?

Back

To determine the molar mass of a compound, sum the atomic masses of all the atoms in its chemical formula.

Front

What is the electron configuration for Carbon-12?

Back

The electron configuration for Carbon-12 is 1s² 2s² 2p².