John Dalton proposed the idea of atoms being indivisible in the early 19th century as part of his atomic theory.
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No, atoms are not indivisible. Sub-atomic particles, such as protons, neutrons, and electrons, exist within atoms, as discovered through experiments.
Atoms of different elements have unique numbers of protons in their nuclei, which determines their chemical properties and identity.
Atoms are the smallest units of matter, composed of protons, neutrons, and electrons. Molecules are groups of atoms bonded together.
1. Where do you play? 2. What games do you play outside? 3. What happens if we are not careful while playing outside? NCERT 2024-25 Class 3 English (Santoor) Chapter 4 Out in the Garden Page no. 41 Question no. B(1,2,3)