What are the postulates in Dalton's atomic theory 45k?

Answer 1

• All elements are made of tiny indivisible particles called atoms.
• All atoms of a given element are alike but the atoms of one element differ from the atoms of every other element.
• Atoms are not created, destroyed or converted into other kinds of atoms during chemical reactions. They are simply rearranged into new compounds.
• Compounds result from the chemical combination of a specific ratio of atoms of different elements.

(These are loose interpretations of his original five statements)

Answer 2

1. Matter is composed of indivisible particles called atoms.
2. Atoms of the same element are identical in mass and properties.
3. Atoms of different elements have different masses and properties.
4. Atoms combine in simple whole number ratios to form compounds.