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6
Use the Periodic Table as a guide. As you go across from left to right the number of valence electrons increases.
H = 1
Be = 2
B = 3
C = 4
N = 5
O = 6
F = 7
This trend stays the same all the way down each column. Usually periodic tables are marked on the top with roman numerals or something to signify how many valence electrons each element has.
Wiki User
∙ 12y ago
Wiki User
∙ 11y agoOxygen has 6 valance electrons. You can figure out the number of valance electrons for any main group element (Group IA-IIA and IIIA-VIIIA) using the periodic table.
Group IA- all elements have 1 valance electron
Group IIA- all elements have 2 valance electrons
Group IIIA- all elements have 3 valance electrons
...
Group VIA - 6 valance electrons
...
Group VIIIA- 8 valance electrons
The number of valance electrons is equal to the group number (which is shown in roman numerals)
Wiki User
∙ 11y ago2.6
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How can the number of valence electrons be determined from the periodic table?
By looking at the group number you can tell how many valance electrons there are ex: Group 1= 1 valance electrons Group 2-12= 2 valance electrons Group 13= 3 valance electrons Group 14= 4 valance electrons Group 15= 5 valance electrons Group 16= 6 valance electrons Group 17= 7 valance electrons Group 18= 8 valance electrons
How many electrons do chlorine oxygen and nitrogen have?
Nitrogen has 7 electrons, oxygen has 8 electrons, and chlorine has 9 electrons. That is the total electron count, for inner and outer shells. If you are only concerned with the valance electrons, then it is 5 for nitrogen, 6 for oxygen, and 7 for chlorine.
How many valance electrons does phosphorus have?
5
How is the reactivity of elements related to valence electrons in atoms?
Valance electrons means that the element has not reached the octet configuration and is therefore reactive the reactivity depends on the no. of valance electrons the more valance electrons the more unstable the atom is and the more reactive it is.The gasses like helium neon xenon are all inert which means they have an octet configuration and have no delocalised or valance electrons.
How many electrons are in an oxygen molecule?
There are 16 electrons in an oxygen molecule as each oxygen atom has 8 electrons.
How many valance electrons are in the oxygen family?
The # of Valance electrons in the oxygen famly is 6
How many valance electrons oxygen have?
6 valence electrons
How many valance electrons in an atom of oxygen?
6
How many electrons are in oxygen's outer level?
The word "valance" is used to describe electrons in the outer-most energy level of an atom. Oxygen has six valance electrons.
What is the number of valance electrons in oxygen?
six valence electrons
How many valance electrons does the oxygen have?
six valence electrons.....It only requires two more to complete octet....
How many valance electrons does samarium have?
2 valance electrons
How many valance electrons in Co?
There are 27 valance electrons.
How many valance electrons are in iodine?
Iodine has 7 valance electrons
How many valance electrons does oxygen have?
Oxygen has 6 valence electrons. A person can determine the number of valence electrons by looking at the periodic table. since oxygen is in the 6th column form the left, it has 6 valence electrons.
How can the number of valence electrons be determined from the periodic table?
By looking at the group number you can tell how many valance electrons there are ex: Group 1= 1 valance electrons Group 2-12= 2 valance electrons Group 13= 3 valance electrons Group 14= 4 valance electrons Group 15= 5 valance electrons Group 16= 6 valance electrons Group 17= 7 valance electrons Group 18= 8 valance electrons
How many electrons do chlorine oxygen and nitrogen have?
Nitrogen has 7 electrons, oxygen has 8 electrons, and chlorine has 9 electrons. That is the total electron count, for inner and outer shells. If you are only concerned with the valance electrons, then it is 5 for nitrogen, 6 for oxygen, and 7 for chlorine.
