Table of Contents
- 1 What is the relative tendency of an atom to attract electrons when it is bound to another atom?
- 2 What is it called when an atom is bonded to another atom?
- 3 What happens when atoms bond?
- 4 Which of the following has greatest tendency to lose electron?
- 5 What do atoms attain when forming chemical bonds?
- 6 What kind of elements has the greatest tendency to attract electrons?
- 7 How do atoms share electrons between each other?
- 8 What is the absolute electronegativity of an element?
What is the relative tendency of an atom to attract electrons when it is bound to another atom?
Electronegativity is the tendency of an atom to attract electrons in a molecule.
What is it called when an atom is bonded to another atom?
Covalent Bonds The nature of the covalent bond is determined by the number of electrons shared and the nature of the two elements sharing the bond. Two or more atoms held together by covalent bonds in a specified arrangement is called a molecule.
What atoms has the greatest tendency to attract electrons?
Fluorine is the most electronegative element in the periodic table. All the given options belong to group 17 of the periodic table and are termed as ‘Halogens’. As we move down in a group, the electronegativity decreases as the atomic size increases.
Which element has the greatest tendency attract electrons?
fluorine
All elements are compared to one another, with the most electronegative element, fluorine, being assigned an electronegativity value of 3.98. Fluorine attracts electrons better than any other element.
What happens when atoms bond?
A chemical bond is formed when atoms are held together by attractive forces. This attraction occurs when electrons are shared between atoms, or when electrons are exchanged between the atoms that are involved in the bond. In other words one atom gains an electron while the other loses an electron.
Which of the following has greatest tendency to lose electron?
⇒ Fe will have the greatest tendency to lose the electron.
What is the periodic trend in electron affinity down a group?
Electron affinity decreases down the groups and from right to left across the periods on the periodic table because the electrons are placed in a higher energy level far from the nucleus, thus a decrease from its pull.
What causes atoms to attract one another?
The valence electrons are involved in bonding one atom to another. The attraction of each atom’s nucleus for the valence electrons of the other atom pulls the atoms together. As the attractions bring the atoms together, electrons from each atom are attracted to the nucleus of both atoms, which “share” the electrons.
What do atoms attain when forming chemical bonds?
D. Atoms form chemical bonds to make their outer electron shells more stable. An ionic bond, where one atom essentially donates an electron to another, forms when one atom becomes stable by losing its outer electrons and the other atoms become stable (usually by filling its valence shell) by gaining the electrons.
What kind of elements has the greatest tendency to attract electrons?
Fluorine has the greatest tendency to attract a shared pair of electrons and therefore it is known as the most electronegative element. Fluorine is the most electronegative element on the periodic table.
What is the relationship between electronegativity and Bond type?
The absolute value of the difference in electronegativity (ΔEN) of two bonded atoms provides a rough measure of the polarity to be expected in the bond and, thus, the bond type. When the difference is very small or zero, the bond is covalent and nonpolar.
What happens when the atoms linked by a covalent bond are different?
When the atoms linked by a covalent bond are different, the bonding electrons are shared, but no longer equally. Instead, the bonding electrons are more attracted to one atom than the other, giving rise to a shift of electron density toward that atom.
Atoms can also make chemical bonds by sharing electrons equally between each other. Such bonds are called covalent bonds. Covalent bonds are formed between two atoms when both have similar tendencies to attract electrons to themselves (i.e., when both atoms have identical or fairly similar ionization energies and electron affinities).
What is the absolute electronegativity of an element?
Mulliken [38] introduced the concept of absolute electronegativity and proposed that the arithmetic mean of the first ionization energy ( I) and the electron affinity ( A) of an element should be the measure of the tendency of an atom to attract electrons. This expression based on the definitions of I and A, follows from simple considerations.