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Atomic structure

Why did Dalton's model of the atom as a solid sphere have to change?

A

Scientists discovered that atoms had different numbers of shells.

B

Scientists discovered subatomic particles (electrons) that could be removed from atoms.

C

Scientists discovered that atoms were made entirely of empty space.

D

Scientists discovered that atoms could be divided into different elements.

Atomic structure Flashcards

  1. GCSE
  2. /Chemistry
  3. /Atomic structure

Flashcards for Edexcel GCSE Chemistry Atomic structure, covering the key terms, definitions and equations you need to recall for Paper 1 and Paper 2. 21 cards, matched to the Edexcel GCSE Chemistry (1CH0) specification. Recall questions account for roughly 40% of marks at GCSE Chemistry, so these target the marks you can secure before the paper starts.