A Very Early Periodic Table - Periodic Table of Videos

TL;DR

A rare find of the oldest periodic table in a lecture theatre, dating back to the late 19th century in Austrian.

Transcript

we have something extraordinary for you today probably the oldest periodic table that exists that was made to hang in a lecture theatre I've got a picture of it on my table and Brady has actually been to see it it's being repaired at the moment and he's watched how it is being treated and the chemistry behind it you as a paper conservator must have... Read More

Key Insights

• 🧑‍🤝‍🧑 The oldest periodic table discovered in an Austrian lecture theatre dates between 1879-1886.
• 🚰 Elements like gallium and scandium featured on the table indicate its post-1869 creation.
• ⚾ The unique element order based on oxide formulas reflects the early understanding of chemical properties.
• 😥 Preservation efforts, including pH adjustment with magnesium bicarbonate, ensure the table's longevity.
• 🚰 The University of St. Andrews archives will safeguard the periodic table for posterity.
• 🚰 Historical periodic tables provide valuable insights into scientific progress and early knowledge of elements.
• 🥺 Lack of knowledge on atomic structure led to unique element order schemes in early periodic tables.

Questions & Answers

Q: What is the significance of the oldest periodic table found in an Austrian lecture theatre?

The table offers insights into the early development of the periodic table and chemical discoveries from the late 19th century, providing a historical perspective on scientific knowledge at that time.

Q: How was the order of elements justified before the discovery of electrons?

Before the discovery of electrons, elements were ordered based on oxide formulas, highlighting the challenges scientists faced in organizing the elements without a complete understanding of atomic structure.

Q: How was the periodic table at the University of St. Andrews restored?

The periodic table underwent restoration to preserve its historical value, including pH adjustment using magnesium bicarbonate to combat paper acidity and ensure long-term conservation.

Q: Why is preserving historic artifacts like the periodic table important?

Preserving historic artifacts like the periodic table is essential to maintain a connection to the past, educate future generations, and appreciate the development of scientific knowledge over time.

Summary & Key Takeaways

• Oldest periodic table found in a storeroom at the University of St. Andrews in Austria.

• Made in Vienna, the table features elements like gallium and scandium, dating it between 1879-1886.

• Reveals a unique element order based on oxide formulas due to the lack of knowledge on electrons.