Tutor.com is fully prepared and equipped to help during the COVID-19 pandemic. Please review our statement on responsiveness, scalability, and support during this disruptive time.

Students: Click here for access instructions

Periodic Trends

Sort by:
Discusses the difference between shielding electrons and valence electrons, with several examples.

32 Elements

basic quantum theory, atomic spectra, electron configurations, chemical periodicity and the organization of the periodic table.

Basic Chem

8th Chemistry Vocab

Organic Chemistry

BIO205 - Ch 2 - Chemical Principles - RioSalado - AZ

A video demonstration of Ionization Energy and Periodic Table Trends from Salman Khan of Khan Academy.

Printable study cards (.pdf format) covering the periodic table: periodic trends, ionization energy, history.

Printable study cards (.pdf format) covering chemical bonding: ionic and covalent bonding, Lewis structures, electronegativity, shapes of molecules.

1 . 2 2 Next >