Lesson 3-4

What did Dmitri Mendeleev do?

• Discovered the electrochemistry method

• Discovered the idea of the periodic table and organized the known elements

• Discovered 40 elements in only 5 months for the periodic table

Which method to discover elements did Sir humphry davy discover

• Electrochemistry

• Spectroscope

Robert Bunsen and Gustav kirchhoff discovered which method to find new elements?

• Electrochemistry

• Spectroscope

What element is in Euros to identify which is real or counterfit (Euro is money in Europe)

• Europium

• Carbon

• Neon

How can you identify if a Euro is real or counterfit

• The real Euro will be detected in a metal detector since it has the element Nickle

• The real euro will glows red under UV light since it has the element Europium