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1.2.2 Development of the periodic table

Card 1 of 24

Before protons and electrons were known, what quantity were elements ordered by?

A

Atomic weight.

B

Elements with very different properties appeared in the same column.

C

Newlands arranged the known elements in order of atomic weight.

D

Atomic weight is an average of isotope masses, which can reverse the expected order.

Card 1 of 24

1.2.2 Development of the periodic table Flashcards

  1. GCSE
  2. /Chemistry
  3. /1.2.2 Development of the periodic table

24 flashcards on AQA GCSE Chemistry 1.2.2 Development of the periodic table: the key terms, definitions and equations you need to recall for Paper 1 and Paper 2.

Flashcards