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Which of the following was not a main idea of Dalton's atomic theory?

1. Compounds contain atoms of more than one element.

2. There are four elements that make up matter: air, water, fire, and earth.

3. All atoms of the same element have the same mass, while atoms of different elements have different masses.

4. All matter is composed of atoms.

User Gary Becks
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1 Answer

3 votes

Answer:

1 IS CORRECT

Step-by-step explanation:

User Dmnptr
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