Question

fill in the blanks...-.............. ..​

Answer 1

Answer:

1. The size of atoms are measured in atomic radius
2. Nanometer (nm) = 1 × 10-9 metre
3. Water molecules = 1.5×10^-10 meter = 0.27 Nanometre
4. Atom of Hydrogen= 0.1 Nanometre

• Atoms are of three types

1. protons
2. electrons
3. neutrons

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