Periodic Table Concepts and Electron Configurations

Front

What is a mole?

Back

The SI unit for the amount of a substance.

Front

What is the correct name for the compound N2O3?

Back

Dinitrogen trioxide.

Front

What is the electron configuration of aluminum (atomic number 13)?

Back

1s² 2s² 2p⁶ 3s² 3p¹.

Front

How is a solution created?

Back

By evenly dissolving 1 substance in another.

Front

What is the correct name for the compound CaClO2?

Back

Calcium chlorite.

Front

What does the atomic number represent?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of electron configurations?

Back

They describe the distribution of electrons in an atom's orbitals.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that determine its chemical properties.