What is the basic difference between electron gain enthalpy and electronegativity?

Answer 1

Ionization energy is the energy needed to remove an electron from an element, whereas electron affinity is the amount of attraction a substance has for a electron. One is the amount of energy to remove an electron while the other is the likeliness for it to attract an electron.

Answer 2

Electronegativity is used to determine the scale of "pull" on electrons by an element in a compound. It is useful to determine whether a compound is going to be bipolar for example. So water for example, contains oxygen, a very electronegative element, therefore making it bipolar as it pulls the electrons from the near by hydrogen..

Electron Affinity is the energy released when an electron joins an element, and is the opposite of Ionization energy.

Answer 3

Bonding is where two or more atoms share electrons so they are connected on their outer shell.

Electromagnativity is where an atom gives one of its electrons to another atom. This causes the atom that gave away its electron to become a negatively charged ion, and the atom that gained the electron to become a positively charged ion. Negative and Poitive are attracted, so the atoms are attracted by magnetism.

Answer 4

Ionization energy -- energy to remove an electron from an atom.

Electronegativity -- the tendency of an atom to attract electrons toward it. Expressed in relative terms. Florine has a very strong electronegativity, sodium has a weak electronegativity.

The difference in electronegativity

is an indication of whether a bond between two atoms will be ionic, polar covalent, or nonpolar

covalent.

Answer 5

electron gain enthalpy is the measur of the tendency of an isolated gaseous atom to accept an electron, whereas electronegativity is the measure of the tendency of an atom in a chemical compound to attract a shared pair of electrons.

Answer 6

Ionization is defined as the amount of energy require to remove an electron from an atom. Electrons are attracted to the nucleus, so the energy required to remove these electrons is always positive. Electron affinity however, is defined as the change in the atom's energy when an electron is added. Most electrons attract extract extra electrons and therefore the atom gives off energy when the electron is gained and becomes negative. Some atoms though, do not attract any further electrons and need a positive energy given to the atom in order to add an electron.

Answer 7

Electron affinity varies directly with the ionization energy, so these will affect the formation of ions by decreasing or increasing the size of the ion.

Answer 8

It is easier to form ions if ionization energy is less. i.e. less energy is needed. On the other hand, more the electron affinity, harder it is to form ions.

Source: Yahoo! Answers

Answer 9

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