History of the Periodic Table (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Quizzes
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10 questions from this quiz
Which scientist noticed elements with similar properties could be grouped into 'triads'?
Which scientist noticed elements with similar properties could be grouped into 'triads'?
Johann Döbereiner
What were 'triads' in the early classification of elements?
What were 'triads' in the early classification of elements?
Groups of 3 elements with similar properties
In which year did Dmitri Mendeleev create his version of the Periodic Table?
In which year did Dmitri Mendeleev create his version of the Periodic Table?
1869
What was Dmitri Mendeleev's nationality?
What was Dmitri Mendeleev's nationality?
Russian
How did Mendeleev arrange elements in his Periodic Table?
How did Mendeleev arrange elements in his Periodic Table?
By increasing atomic mass
What did Mendeleev do for elements that had not yet been discovered?
What did Mendeleev do for elements that had not yet been discovered?
Left gaps in his table
How accurate were Mendeleev's predictions for undiscovered elements?
How accurate were Mendeleev's predictions for undiscovered elements?
Remarkably accurate
How are elements arranged in the modern Periodic Table?
How are elements arranged in the modern Periodic Table?
By increasing atomic number
What does atomic number represent?
What does atomic number represent?
The number of protons
What does the Periodic Table help scientists to predict?
What does the Periodic Table help scientists to predict?
Properties of elements and their compounds