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Valence electrons and group number for metal are same. For non-metals, valence electrons are equal to group number-10.

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Q: What is the difference of number of valence electrons and periodic table group number?
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Related questions

In an periodic table dots around an elements symbol indicate the number of valence electrons in an atom?

yes, the number of dots represent the number of valence electrons in the periodic table.


Does the number of valence electrons stay the same throughout the horizontal row?

No, the number of valence electrons does not stay the same throughout the horizontal rows on the periodic table. The number of valence electrons stays the same throughout the vertical columns of the periodic table.


Which side of the periodic table do elements gain valence electrons?

all the elemants have valence electrons the last number of the elecotrons is the elemets valence electrons


Where are elements with the same number of valence electrons?

All elements in the same group have the same number of valence electrons.


How many valence electrons are there in phosphuros?

The number of valence electrons in any element can be found from the element's group number on the periodic table. Phosphorus has a group number of 5 (15 in some periodic tables, in which case the valence is the group number minus ten). Thus, phosphorus has 5 valence electrons.


What happened to the number of valance electrons move from left to right on the periodic table?

the number of valence electrons increases on moving from left to right in periodic table.Group 1 has 1 valence electron and group-18 has 8 valence electrons.


What is the number of valence electrons in the outer shell of each element of group 3?

3: For periodic columns 1 through 3, the number of valence electrons is the same as the number of the periodic column.


What is the number of valence electrons in family 1A of the periodic table?

One valence electron.


What happends to the valence electrons is they are moved from left to right in the periodic table?

Valence electrons increase in number on moving from left to right on the periodic table. another question might be


How many valence electrons does Xenon have?

The number of Valence Electrons of Xenon is 8 because it is in the eighth group on the periodic table


How do you work out the number of valence electrons in a substance?

Just get to know the periodic table of the elements; that is the key to understanding valence electrons.


Does the valence electrons equal the number of protons?

Rarely. The number of valence electrons of an element depends on it's position on the periodic table. Any given element can have between 1-8 valence electrons. The number of valence electrons increases left to right on the periodic table, while the number of protons, which determine the atomic mass and identity of an element, increase in general. Therefore the number of valence electrons can only equal the number of protons at the 8th element and below (neon).