History of the Periodic Table (AQA GCSE Chemistry): Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What did Döbereiner call his groups of elements with similar properties?
What did Döbereiner call his groups of elements with similar properties?
Triads
In which century did scientists like Döbereiner begin classifying elements?
In which century did scientists like Döbereiner begin classifying elements?
Early 19th century
How did Mendeleev arrange elements in his Periodic Table?
How did Mendeleev arrange elements in his Periodic Table?
Increasing atomic mass
Why did Mendeleev leave gaps in his Periodic Table?
Why did Mendeleev leave gaps in his Periodic Table?
For elements not yet discovered
What did Mendeleev predict with remarkable accuracy?
What did Mendeleev predict with remarkable accuracy?
Properties of undiscovered elements
In which year did Mendeleev create his version of the Periodic Table?
In which year did Mendeleev create his version of the Periodic Table?
1869
How are elements arranged in the modern Periodic Table?
How are elements arranged in the modern Periodic Table?
Increasing atomic number
What is the atomic number of an element?
What is the atomic number of an element?
The number of protons
What did the modern arrangement by atomic number resolve?
What did the modern arrangement by atomic number resolve?
Inconsistencies from atomic mass
What does the Periodic Table help predict?
What does the Periodic Table help predict?
Properties of new elements