The Periodic Table (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards
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Scientist who grouped elements into 'triads' (early 19th century)
Scientist who grouped elements into 'triads' (early 19th century)
Johann Döbereiner
Name for Döbereiner's groups of similar elements
Name for Döbereiner's groups of similar elements
Triads
Chemist who created first widely recognised Periodic Table (1869)
Chemist who created first widely recognised Periodic Table (1869)
Dmitri Mendeleev
Mendeleev's nationality
Mendeleev's nationality
Russian
How Mendeleev arranged elements in his table
How Mendeleev arranged elements in his table
In order of increasing atomic mass
What Mendeleev left in his table for undiscovered elements
What Mendeleev left in his table for undiscovered elements
Gaps
What Mendeleev predicted about undiscovered elements
What Mendeleev predicted about undiscovered elements
Their properties (with remarkable accuracy)
How elements are arranged in modern Periodic Table
How elements are arranged in modern Periodic Table
By increasing atomic number
Definition of atomic number
Definition of atomic number
The number of protons
What arranging by atomic number resolved
What arranging by atomic number resolved
Inconsistencies from atomic mass arrangement
What Periodic Table helps predict
What Periodic Table helps predict
Properties of new elements and their compounds
Year Mendeleev created his Periodic Table
Year Mendeleev created his Periodic Table
1869