Photo AI
The scientist John Dalton lived over 200 years ago - Edexcel - GCSE Chemistry - Question 2 - 2021 - Paper 1
Question 2
The scientist John Dalton lived over 200 years ago. (a) John Dalton suggested an early model of atoms. When Dalton first described atoms he said that that - all el... show full transcript
Worked Solution & Example Answer:The scientist John Dalton lived over 200 years ago - Edexcel - GCSE Chemistry - Question 2 - 2021 - Paper 1
Step 1
Give two differences between Dalton's model of atoms and today's model of atoms.
Answer
-
Dalton's model proposed that atoms are indivisible, whereas today's model recognizes that atoms consist of subatomic particles such as protons, neutrons, and electrons.
-
Dalton's model stated that all atoms of a specific element are identical, but modern atomic theory acknowledges that atoms can have different isotopes, leading to variations in neutron numbers.
Step 2
Step 3