What is mean by atomic radius? Write the unit of measuring atomic radius?
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The atomic radius is defined as one-half the distance between the nuclei of identical atoms that are bonded together. ... The units for atomic radii are picometers, equal to 10−12 meters. As an example, the internuclear distance between the two hydrogen atoms in an H2 molecule is measured to be 74 pm.
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- atom is considered as a spherical body
- a line that can be formed from the centre of the atom to the outermost part of the electron is known as atomic radius
- atomic radius can be measured in many units
- one such unit is nanometre represented as NM
- 1 metre is equal to 10 raise to 9 nanometre
- another unit which can be used to measure the atomic radius is angstrom
- 1 angstrom is equal to 10 raised to negative 10 metre
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