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The valence electrons influence many properties and characteristics of a material. The properties of a material which are influenced by the valence electrons are chemical properties, electrical conductivity, some mechanical properties, the nature of inter atomic bonding, atom size, and optical characteristics.

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What are valence electrons and shells?

Valence electrons are the ones which participate in chemical reactions in some way, either by moving from one atom to another, or by being shared with another atom. They are found in the outer shell of an atom (there are usually inner shells with other electrons that are not valence electrons, although in the lightest elements, there are no inner shells and all electrons are valence electrons).


Do metals contain fewer valence electrons?

No, metals typically have fewer valence electrons compared to nonmetals. Valence electrons are the outermost electrons in an atom, involved in bonding and determining the reactivity of an element. Metals tend to have fewer valence electrons which allows them to easily lose electrons and form positive ions.


How many valence electrons are around the central iodine atom?

Iodine is in group 17 of the periodic table, which means it has seven valence electrons. When iodine is the central atom in a molecule, it typically retains all seven of its valence electrons unless it forms bonds with other atoms. In such cases, some of these electrons are shared with surrounding atoms, but the total number of valence electrons associated with the iodine remains seven.


What is the significance of the number of electrons on the valence shell?

It is important as you can use the number of valence electrons of an element to compute a variety of calculations and also for some other things, such as drawing some chemical structures. For example, you must know the number of valence electrons to draw a Lewis structure of a molecule and also to calculate the formal charge.


What elements have 3 valence elements?

Some elements that have 3 valence electrons include aluminum, boron, and thallium. These elements can form compounds by either losing the 3 valence electrons to achieve a full outer shell, or by sharing electrons to complete their valence shell.

Related Questions

Can 2 elements have some of the same properties?

Yes, elements can have similar properties if they are in the same chemical group or have the same number of valence electrons. This can lead to similarities in their chemical reactivity and physical characteristics.


What can you predict from an elements place in th periodic table?

its valence electrons, its number of energy levels, how reactive it is, and some properties it has


How many valence electrons can an atom have?

An atom can have a maximum of 8 valence electrons in its outermost energy level, except for hydrogen and helium, which can only have a maximum of 2 valence electrons. The number of valence electrons determines an atom's chemical properties and reactivity. Elements in the same group on the periodic table have the same number of valence electrons.


What can you determine about an about an element if you only know its group number on the periodic table?

how many electrons it has in its valence shell usually also some of the characteristics... eg. alkali metals vs. noble gases etc.


What does the group number of the periodic table tell you about the structure of an atom?

The group number of an atom in the periodic table tells you the number of valence electrons that atom has. Valence electrons are involved in the atom's chemical reactions and determine its chemical properties. Atoms in the same group have similar chemical behaviors due to having the same number of valence electrons.


What are families in the periodic table that share similar properties?

Some share the same amount of valence electrons. Some could be classified in the same group such as metals, Nonmetal, Metalloids.


In Mendeleevs periodic table elements in each column had similar?

Chemical properties as they possessed the same number of valence electrons, leading to similar reactivity and bonding behavior. This organization allowed Mendeleev to identify patterns and predict the properties of undiscovered elements.


What are valence and electrons?

Valence electrons are the ones which participate in chemical reactions in some way, either by moving from one atom to another, or by being shared with another atom. They are found in the outer shell of an atom (there are usually inner shells with other electrons that are not valence electrons, although in the lightest elements, there are no inner shells and all electrons are valence electrons).


What type of elements have valence electrons?

Elements in every group of the periodic table has some number of valence electrons. The exception is, when it comes to group 18, the number of valence electrons might be considered as either 0 or 8.


How do the valence electrons tell about the reactions of different elements?

Not sure if I understand your question correctly, but some elements are more electronegative than others, so they draw in electrons better than others. For example, in NaCl, chlorine (Cl) is much more electronegative than sodium (Na) so it simply takes the sodium's extra valence electron.


Do Atoms of elements in the same group have the same number of electrons in their outer layer?

Yes, atoms of elements in the same group have the same number of electrons in their outermost energy level. This outermost energy level is known as the valence shell, and it determines many of the chemical properties of an element.


Do metals contain fewer valence electrons?

No, metals typically have fewer valence electrons compared to nonmetals. Valence electrons are the outermost electrons in an atom, involved in bonding and determining the reactivity of an element. Metals tend to have fewer valence electrons which allows them to easily lose electrons and form positive ions.