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The number of valence electrons in a single group does not change in the s and p block elements, groups 1, 2, 13-17.
However in groups 13 -16 the so-called inert pair effect seems to indicate that the s electrons do not get involved so readiliy in bonding and the heavier elements exhibit a valency 2 less than the lighter members. E.g Gallium has Ga+ ion as well as a Ga3+.
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The elements within a group have a similar number of?
Elements in the same group have the same number of valence electrons. These are the outer-shell electrons that react with other elements.
Elements within a group have a similar number of what?
Number of valence electrons
How many valence electrons are there in each atom within a silicon crystal?
8
How can you determine the number of valence electron atom has?
Look what column it is in within the Periodic Table. The first column has 1 valance electron. The second column has 2 valence electrons. The entire section of shorter columns (all metals) also have two valence electrons. The tall column after that (with Boron ) has three valence electrons. The tall column after that (with carbon) has four valence electrons. This pattern continues until you reach the final column, the noble gasses (eg. Neon, argon, xenon); these all have 8 valence electrons.
How are elements contained within the group on the periodic table?
They have the same number of valence electrons (total of s and p electrons)
The elements within a group have a similar number of?
Elements in the same group have the same number of valence electrons. These are the outer-shell electrons that react with other elements.
Elements within a group have similar number of?
electron valence hh
The number of missing or extra electrons within an atom's outer shell?
Valence electrons
What are the number of valence electrons in phosphorus?
there are five valence electrons in an atom of phosphorus
What do elements within the same group have the same number of?
valence electrons
How are the elements within row different?
They have different numbers of valence electrons.
Elements within a group have a similar number of what?
Number of valence electrons
How are the element within a row different?
They have different numbers of valence electrons.
How many valence electrons are there in each atom within a silicon crystal?
8
How are families within the periodic table similar?
Elements within the same period have the their valence electrons in the same principle energy level. For example, those elements in period 2, have their valence electrons in the 2nd energy level.
How can you determine the number of valence electron atom has?
Look what column it is in within the Periodic Table. The first column has 1 valance electron. The second column has 2 valence electrons. The entire section of shorter columns (all metals) also have two valence electrons. The tall column after that (with Boron ) has three valence electrons. The tall column after that (with carbon) has four valence electrons. This pattern continues until you reach the final column, the noble gasses (eg. Neon, argon, xenon); these all have 8 valence electrons.
How are elements contained within the group on the periodic table?
They have the same number of valence electrons (total of s and p electrons)
