Discovering phosphorus, Hennig Brand's accidental breakthrough

In 1669, alchemist Henning Brand attempted to create the Philosopher's Stone by boiling urine. Instead of gold, he discovered phosphorus, a glowing substance. Although he initially kept it a secret, Brand's process was eventually sold to other scientists. He was later credited with discovering phosphorus, marking the first known discovery of a chemical element.

What was Henningbrand's initial goal in his experiments?

• To discover a new element

• To create the Philosopher's Stone

• To find a cure for diseases

• To invent a new type of fuel

What unexpected substance did Henningbrand discover?

• Gold

• Silver

• Phosphorus

• Iron

What does the name 'phosphorus' mean?

• Bringer of light

• Creator of gold

• Bearer of darkness

• Source of energy

How did Henningbrand's discovery become known to other scientists?

• He shared it with his students

• He sold the process

• He published a paper

• He presented it at a conference

When was Henningbrand credited for discovering phosphorus?

• He was never credited

• After his death

• Immediately after his discovery

• During his lifetime