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1,2 and 13-18 the number is how many valence electrons it has.
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∙ 14y ago
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What does the number at the top of each column in the periodic table mean?
Columns on the periodic table are also known as 'groups'. Most notably, the electron configuration of the valance (outermost) shell will be the same for each element in a group.
What do you mean by group in periodic table?
The columns in the periodic table are groups, also called families because the elements in a group have similar properties.
What does the number on top of the symbol mean in the periodic table?
It is the Atomic Number.
What does additional contact telephone mean?
your groups number
The atomic number of carbon is 6what do you mean by it?
It is number six in the Periodic Table.
What does FN mean on the periodc table and What is it's number?
There is no Fn on the periodic table of elements. However, there is Fm, Fermium, number 100.
What does row numbers mean?
The number of period in periodic table.
Why are elements grouped in the periodic table?
I am assuming you mean to ask why elements go into specific groups Elements that have the same number of valence electrons are put into the same group. Because they all have the same number of valence electrons, it could also be said that elements are put into groups based on their chemical properties.
What does Th mean in the periodic table?
Th is element number 90 on the periodic table It is thorium, it is in the Actinides, and it is radioactive
How old is my bernhardt dining room table?
my dining room table have number 152-33 what dose mean
What Does Ga Mean on A Periodic Table?
Ga on the periodic table means Gallium [MORE INFO...] Mass number is 70 Atomic number is 31 =p
What does the six above oxygen in the periodic table mean?
Oxygen has an atomic number of 8, not 6. The number above an element on the Periodic Table generally is the atomic number. Carbon has an atomic number of 6.
