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The most common oxidation numbers are +1 and 2 , - 1 and 2.

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Q: What are the most common oxidation valence number in periodic table?
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What is the number of valence electrons and oxidation number of strontium?

Strontium is located in group 2 of the periodic table. Hence it has two valence electrons. The oxidation number atomic strontium is 0 where that of strontium ion is +2.


What is the common oxidation number for promethium?

The valence of promethium is +3 and rarely +2.


What is the most important factor determining how an atom will bond?

the oxidation number, determined by its group on the periodic table.


Coulmns on a periodic table are called?

The vertical columns of the periodic table are called groups. The horizontal rows of the periodic table are called periods. The number of electron shells an atom has corresponds to the number period of the periodic table it is located in. The oxidation number or number of valence electrons an atom is depicted by the group it is in. For example: Calcium (Ca) has an oxidation number of +2 and has 2 valence electrons( outermost electrons) which means it belongs to group 2 of the periodic table called the "alkali earth metals".


What do atoms of elements in the same group of the periodic have in common?

number of valence electrons


How many valence electrons is OF2?

Oxidation number of F is -1.Oxidation number of O is +2.


What is the common oxidation number for all elements in group 17 of the periodic table?

-1.


Is the valency of an element same as its oxidation number?

Sometimes yes ... sometimes no. Valency of chlorine is 7 ... it has 7 valence electrons. But its most common oxidation number is -1.


What is argon valence number and electrons and oxidation number?

Argon's valence number is 8, it has 18 electrons, and its oxidation number is 0 because it doesn't react.


What information does the column number provide on the periodic table?

For main group elements the column number is a concrete indication of then number of valence electrons (and therefore oxidation number). And since it tells you the number of valence electrons you can get a substantially reliable idea of how reactive the element is


Why the oxidation states vary in a periodic but remains almost constant in a group?

Because within a group, the elements all have the same number of valence electrons, so their "combining power" (oxidation number) is relatively the same. In a period, the number of valence electrons increases going left to right, so the "combining power" changes.


What is the oxidation numbers of neptunium?

The oxidation number for an element by itself is 0. The oxidation number Np could have in a compound depends on what other elements it is bonded with. One common online periodic table lists the most common oxidation number for Np in compounds as +5, and less common states as +3, +4, +6, and +7.