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

First 20 Elements Of The Periodic Table: The atomic number and symbols are important in chemistry. The atomic number of elements gives us an idea about the atomic structure of elements, such as ...

Periodic Table Chemistry: The periodic table of elements is a tabular arrangement of all known chemical elements, organised based on their atomic number, electron configurations, and recurring ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

Summary Students will begin to look closely at the periodic table. They will be introduced to the basic information given for the elements in most periodic tables: the name, symbol, atomic number, and ...

Is It Time to Upend the Periodic Table? The iconic chart of elements has served chemistry well for 150 years. But it’s not the only option out there, and scientists are pushing its limits.

Pekka Pyykkö proposes a periodic table that goes all the way up to atomic number 172 and is based on electronic configurations, which he calculated by taking relativistic effects into account.

GCSE Combined Science Atomic structure and the periodic table learning resources for adults, children, parents and teachers.