This lesson utilizes an adaptation of the board game Periodic: A Game of the Elements to help students better understand general periodic trends. This adaptation was created for use during one ...

X818: Periodic Trends – Alkali Metals in Water X818: Periodic Trends – Alkali Metals in Water Introduction When a small piece of sodium is placed in a petri dish with water and phenolphthalein, the ...

Trends on the Periodic Table: Students learn to describe the pattern in atomic number, atomic mass, atomic radius, ionization energy, and electron affinity as they look across a period and down a ...

The periodic table of the chemical elements is a tabular method of displaying the chemical elements, first devised in 1869 by the Russian chemist Dimitri Mendeleev. Mendeleev intended the table to ...

Classroom and educational resources to engage students ages 15–18 with the periodic table.

Inspired by the periodic table, this infographic aims to educate college students about the drinks they're imbibing.

Learn about the periodic table of elements. Find lesson plans and classroom activities, view a periodic table gallery, and shop for periodic table gifts.

Electronegativity: Read the article to find out what electronegativity is, how it is measured and what are the periodic trends in the electronegativities of elements.

Ever wondered what makes Hydrogen number 1 on the periodic table? There's a reason. Discover the intelligent design of the periodic table with BBC Bitesize.