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The atomic radius of a chemical element is a measure of the size of its atom, usually the mean or typical distance from the center of the nucleus to the outermost isolated electron. Since the boundary is not a well-defined physical entity, there are various non-equivalent definitions of atomic radius.
Atomic radius or Atomic Radii is the total distance from the nucleus of an atom to the outermost orbital of its electron. We define the atomic radius of a chemical element as: The mean or typical distance from the centre of the nucleus to the boundary of the surrounding shells of electrons.
The atomic radius is one-half the distance between the nuclei of two atoms (just like a radius is half the diameter of a circle). Atomic radii can be obtained from quantum mechanical calculations or …
The atomic radius is the size of the atom, typically measured by the distance from the nucleus of the atom to the electron clouds around the nucleus. Covalent radius can be calculated by measuring the distance between the two nucleus of two atoms in covalent compound.
Atomic radius, half the distance between the nuclei of identical neighbouring atoms in the solid form of an element. An atom has no rigid spherical boundary, but it may be thought of as a tiny, dense positive nucleus surrounded by a diffuse negative cloud of electrons.
Atomic radius is generally stated as being the total distance from an atom’s nucleus to the outermost orbital of electron. In simpler terms, it can be defined as something similar to the radius of a circle, where the center of the circle is the nucleus and the outer edge of the circle is the outermost orbital of electron.
Atomic radius is determined as half the distance between the nuclei of two identical atoms bonded together. The atomic radius of atoms generally decreases from left to right across a period. The atomic radius of atoms generally increases from top to bottom within a group.
Atomic radius is a term used to describe the size of an atom. However, there is no standard definition for this value. The atomic radius may refer to the ionic radius, covalent radius, metallic radius, or van der Waals radius.
The average distance between the center of the nucleus and the electron cloud of outermost orbit is called atomic radius. The exact position of an electron is uncertain and cannot be determined accurately. Hence we take the atomic radius as the average distance. Types of atomic radii. Periodic trends in atomic sizes. TYPES OF ATOMIC RADII.
In a general definition, radius is a straight line from the center to the circumference of a circle or sphere. So, how do we define the atomic radius? The center of the atom is the nucleus, and we consider the circumference as the region where the outermost energy level electron (valence electron) spends most of its time.