Atomic Radius: The atomic radius of an atom is half the distance between two nuclei that are next to each other. The size of atomic radii are measured in picometers (pm), where one picometer is one trillionth of a meter, or an angstrom (A). One angstrom is the same as 100 pm. ...
Ionization enthalpy is defined as the energy change in the process when the outermost electron is lost from an atom in the gaseous state. Electron Affinity is defined as the energy change in the process when an additional electron is a...
What is an ionic melt? Ions: An atom or collection of atoms with an electric charge is known as an ion. Cations are the names for positive-charged ions. Anions are the name for ions that have a negative charge. The body contains several common chemicals such as ions. Sodium, potassium,...
Electronegativity is the property of an atom which increases with its tendency to attract the electrons of a bond. If two bonded atoms have the same electronegativity values as each other, they share electrons equally in a covalent bond. Usually, the electrons in a chemical bond are more attrac...
Most of an atom is empty space. If an atom were about as big as a baseball stadium, the nucleus would be the size of a pea in the very center and the electrons would be somewhere on the outside edge.What makes an atom of gold different from an atom of iron is the number of ...
Van der Waals radius is the radius of an imaginary sphere surrounding an atom. It represents the distance of the closest approach for another atom. In other words, van der Waals radius is one half of the distance of separation between the center of the two approaching nuclei. It is a para...
Write lewis dot symbols for atoms of the following elements: Mg, Na, B, O, N, Br. View Solution What are valence electrons? View Solution What do you mean by the statement-covalent radius of H-atom is 0.37 Å? View Solution The ionic radii of A^(+) and B^(-) ions are 0.98xx1...
The anomalous nature of beryllium The valence electron layer structure of Be atom is 2S (2), its atomic radius is 89pm, Be (2+) ion radius is 31pm, and the electronegativity of Be is 1.57. Beryllium due to atomic radius and ionic radius is very small, its electronegativity is relatively...
Define and explain what are an element's electronegativity, atomic radius, and ionization, and how to determine them. What is the relationship between electronegativity and the polarity of a chemical bond? Why is the electronegativity of an element important?
Ionization energy is the amount of energy required to take an electron from the outer shell of an atom's electron cloud when the atom is in the gaseous phase. Valence electrons are easier to remove the farther they are from the nucleus. This is due to the electrostatic attraction between th...