Question

notes of chapter atoms and molecules ​

Answer 1

Answer:

please give meand mark me as brainliest

Answer 2

Answer:

• atoms are the smallest particle of an element. they are not capable of independent existence.
• molecules are two or more atoms, chemically combined which are capable of independent existence.
• elements are two or more atoms or molecules. compounds are two or more elements in a definite proportion. Compounds can be classified into metals, non metals and metalloids.
• Mixtures are two or more elements not in definite proportions. They can be classified into homogeneous and heterogeneous mixtures.
• Neil Bohr's model of an atom
• Dalton's atomic theory + postulates.
• Rutherford's Gold foil experiment..