History of the Periodic Table (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Flashcards
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Scientist who noticed element triads (early 19th century)
Scientist who noticed element triads (early 19th century)
Johann Döbereiner
What were triads?
What were triads?
Groups of elements with similar properties
Creator of first widely recognised Periodic Table
Creator of first widely recognised Periodic Table
Dmitri Mendeleev
Mendeleev's nationality
Mendeleev's nationality
Russian
Year Mendeleev created his Periodic Table
Year Mendeleev created his Periodic Table
1869
How Mendeleev arranged elements
How Mendeleev arranged elements
By increasing atomic mass
What did Mendeleev group together?
What did Mendeleev group together?
Elements with similar properties
What Mendeleev left for undiscovered elements
What Mendeleev left for undiscovered elements
Gaps
What Mendeleev predicted with remarkable accuracy
What Mendeleev predicted with remarkable accuracy
Properties of undiscovered elements
How are elements arranged in modern Periodic Table?
How are elements arranged in modern Periodic Table?
By increasing atomic number
Definition of atomic number
Definition of atomic number
Number of protons
What atomic number arrangement resolved
What atomic number arrangement resolved
Inconsistencies from atomic mass arrangement
What Periodic Table helps predict
What Periodic Table helps predict
Properties of new elements and compounds