Up until this point the atomic number simply referred to an element’s positioning in the periodic table, and was not known to correspond to a measurable physical quantity. Thanks to Moseley’s work it ...

Since then, the periodic table has evolved to reflect over 150 years of scientific development and understanding in chemistry and physics. Today, with 118 known elements, it is widely regarded as one ...

The periodic table arrangement allows us to look for patterns in elements' chemical and physical properties and ... film with your students, in which science presenter Jon Chase uses universal ...

Researchers have long been hunting for a way to make the elusive elements more stable so they can be better studied.

In this activity, students will use the online periodic table, ptable.com, to investigate a number of chemistry concepts. Students will use this online resource to explore information about the ...

Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard ...

Scientists have found a way to create superheavy elements, leading to groundbreaking possibilities in chemistry.

So, what's so special about this iconic symbol of science ... chemical law, physical law behind this." The laws of chemistry Mendeleev (1834-1907) created his early periodic table in 1869.

Students will apply tests, based on physical properties of ... for real gold and Fool’s gold in the table. Real gold is represented by the letters ‘Au’. This combination of letters can be found on the ...

Scientists at Berkeley Lab are using a new technique to create increasingly heavier elements, with the goal of reaching ...