1. Name the toys in the toy shop. 2. What toy did the little boy request his mother to buy him? There are a lot of toys in the toy store and children are buying them. NCERT 2024-25 Class 3 English (Santoor)
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John Dalton proposed the idea of atoms being indivisible in the early 19th century as part of his atomic theory.
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.