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Equation that calculates the number of valence electrons given the atomic number?
Wiki User
∙ 14y ago
The number of electrons in the valence shell can be determined by the maximum capacity of each orbital: 1:2 slots, 2:8 slots, 3:8 slots, 4:16 slots, 5:16 slots, 6:32 slots. For example, an atom with an atomic number of 12 would would have 2 electrons in the 3rd orbital (The first is filled up with 2 electrons, the second with 8, thus two are left over in the third).
Wiki User
∙ 14y ago
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How many valence electrons in calcium ion?
Type your answer here... The number of valence electrons in calcium is 20, because it's almost the same thing as it's atomic number.
How many core electrons in nitrogen?
Nitrogen has 2 core electrons and 5 valence electrons. If you remember, nitrogen has an atomic number of 7. When an atom is neutral it has an equal number of protons and electrons. Therfore, the overal number of electrons is 7. The definition of core electrons is, electrons in their most inner shell, On the other hand valence electrons are electrons in the outermostshell. When looking at a periodic table you see that there is a total# of 5 valence electrons. In order to figure out the core number you subtract the total number of electrons(atomic #) - Valence # of electrons. I hope this helped :)
How many valence electrons does a nitrogen N atom have?
The atomic number for nitrogen is 7. Neutral nitrogen must have both 7 electrons and 7 protons then. The first 7 orbitals are filled as 1s2 2s2 2p3, which shows us that nitrogen has 5 valence electrons.
In a bromine atom which atomic orbitals contain the valence electrons?
* Ground state electron configuration:[Ar].3d10.4s2.4p6 so...4s and 4p
Calcium and Sodium have very nearly the same radii?
No sodium has 11 electrons which means its valence are in the 3s2 orbit while Calcium has 20 electrons its valence electrons are in the 4s2 orbit which is much larger in terms of atomic radii
How do you find number of valence electrons?
Take the atomic number then subtract the amount of valence electrons. Example: Number of non valence (inner) electrons in Sulfur: 16 (atomic number) - 6 (valence electrons) = 10 (valence or inner electrons)
How many valence electrons does krypton have with an atomic?
Krypton has 8 valence electrons.
How do you find the number of non-valence electrons?
Take the atomic number then subtract the amount of valence electrons. Example: Number of non valence (inner) electrons in Sulfur: 16 (atomic number) - 6 (valence electrons) = 10 (valence or inner electrons)
How many valence electrons are there is aluminum-25?
Number of valence electrons depends on number of electrons in uncharged atom(= atomic number), not on mass number. Al has atomic number = 13 and it belongs to group 13( III A) of periodic table so it's uncharged atom has 3 valence electrons. But valence electrons in ions is different. No. of valence electrons in an ion = No. of valence electrons in uncharged atom + negative charge or - positive charge1. 1. for charges only their magnitude is taken i.e. if charge is +2 or -2 then 2 is taken and put in equation.
What is the valence of nitrogen and valence electrons?
Atomic no. of nitrogen is 7 The valence electrons outside are 5 VALENCY= 8-5=3
How many valence electrons does have boron have?
3
How many valence electrons have boron have?
3 valence electrons. As the atomic number of boron is 5, it would have 2 electrons in the first shell and 3 valence electrons in the second shell.
The tendency of an element to react chemically is closely related to what?
its Atomic Mass.
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.
What word describes the outermost shell of the electrons?
The name most often given to the outermost shell of electrons in the context of atomic structure is the valence shell.
How many valence electrons can an element have?
up to 120 elements 14 can be the maximum no. of valence electrons if any element with atomic no.greater than 120 is discovered its maximum no. of valence electrons would be 18
How many valence electrons in calcium ion?
Type your answer here... The number of valence electrons in calcium is 20, because it's almost the same thing as it's atomic number.
