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This is the second ionization energy.

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How do you find valency of elements?

The number of electrons in the outermost energy shell is usually used in finding the valency of a given element. For instance elements that have two electrons in the outermost energy shell have valency 2.


What term refers to the number of electrons found on the outermost energy level of an atom?

The term is 'Valency'


What is the valency of elements?

The valency of an element is its combining power with other elements to form compounds. It is determined by the number of electrons an atom needs to gain, lose, or share to achieve a stable electron configuration. The valency of elements can vary depending on the number of electrons in their outermost energy level.


What is the difference between valency and valence electron?

valence electrons are on the outer shell. they're the ones that will interact with other molecules as bonds are formed. electrons on inner shells don't interact with other molecules. they keep to themselves.


How do you find valency of an element?

The number of electrons in the outermost energy shell is usually used in finding the valency of a given element. For instance elements that have two electrons in the outermost energy shell have valency 2.


How many electrons are in each level of barium?

In a barium atom, there are 2 electrons in the first energy level, 8 electrons in the second energy level, 18 electrons in the third energy level, 18 electrons in the fourth energy level, 8 electrons in the fifth energy level, and 2 electrons in the sixth energy level.


When you go down the element generally become more or less metallic?

As you go down a group on the periodic table, elements generally become more metallic. This trend is due to the increase in the number of electron shells and distance between the nucleus and the outermost electrons, which makes it easier for elements to lose electrons and exhibit metallic properties.


The energy required to remove electrons from an atom is called?

The energy required to remove electrons from an atom is called ionization energy. It is the minimum energy needed to remove an electron from a neutral atom in the gaseous phase.


What is the valency of halogens and what does it mean?

The valency of halogens is 1, meaning they can form one bond with another element. This valency indicates how many electrons halogens need to gain in order to achieve a full outer shell and become stable.


Does metallic bonding occur between atoms of copper or chlorine?

Metallic bonding occurs between copper atoms. Only copper is a metal and has the characteristics needed for metallic bonding. Metallic bonding occurs between atoms with low electronegativities (low tendency to attract electrons from other atoms) and low ionisation energies (little energy required to remove electrons from the atoms). The low tendency for the metallic atoms to keep their electrons allow their electrons to be shared between the atoms, which thus become cations. The cations tend to be very closely-packed; they are not repulsed by their similar positive charges, but attracted to the electrons flowing freely between the cations. Metallic bonding therefore occurs between copper atoms, which have low electronegativity and ionisation energy. Chlorine atoms have some of the highest electronegativity and ionisation energy of all elements, and thus do not exhibit metallic bonding.


How many electrons are required to completely fill the third energy level?

no. of electrons to fill an energy level = 2n2. = 2x32 = 18


Why do electrons form a continuous band in metallic bonding?

The metallic bond is formed of many degenerate (same energy) orbitals, but because of PAuli exclusion principle these are split by small energy differences to form a near continuum of energy levels, a band