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Ok, here we go...
Sodium has 11 protons and 11 electrons, because they are always equal. This means that in its innermost electron shell is full, having 2 electrons, and so is the next shell, with 8. 8+2=10, so there is one lonely electron in the outer valence shell. This means Sodium has a valence of 7, or it desires 7 electrons to complete its valence shell, because 8 (number the third shell can hold) - 1 (number actually in it) = 1. An electron with a completed valence shell is more stable than one without. This is why carbon is so versatile. Remember: the valence of an atom equals the number of protons the valence electron shell can hold minus the number actually in it.
Also, a little known fact about the Periodic Table...
Each row represents how many electron shells the element has. For instance, all elements in the third row have three shells.
What else can I help you with?
What is the number of the prinicpal energy level in which valence electrons are found?
The valence electrons are the outer most electrons and the principal energy level in which they belong will vary for element to element and generally corresponds to the period number in which the element is present
Which electrons in an atom have the highest energy level?
Electrons in the outermost energy level (valence electrons) have the highest energy level. These electrons are involved in the atom's chemical reactions and bonding with other atoms.
How many valence electrons are in the sodium family?
Elements in the sodium family (Group 1A or Group 1) have 1 valence electron. This is because they have one electron in their outermost energy level.
The valence electrons of which element has the highest energy hydrogen lithium sodium or potassium?
The element with the highest energy valence electrons among hydrogen, lithium, sodium, and potassium is potassium. Potassium is in the first group of the periodic table, which means it has one valence electron located in the highest energy level (n=4 in the case of potassium).
How do you figure out valence shell and valence electrons?
To determine the valence shell, look at the outermost energy level of an atom (the highest value for "n" in the electron configuration). The valence electrons are the electrons in the outermost energy level of an atom, which are involved in bonding and chemical reactions. Count the number of electrons in the outermost energy level to find the valence electrons.
What energy level would the valence electrons be located on the sodium ion?
182.84 eV?
Sodium has how many electrons in its outermost principal energy level?
Sodium has one electron in its outermost principal energy level, also known as the valence shell.
What is the word for the definition electrons in the outermost energy level of an atom?
valence electrons are the electrons in the outermost energy level
What principal energy level do the valence electrons occupy for Na?
The electron configuration of sodium is [Ne]3s1.
What is the number of the prinicpal energy level in which valence electrons are found?
The valence electrons are the outer most electrons and the principal energy level in which they belong will vary for element to element and generally corresponds to the period number in which the element is present
Valence electron are found in what energy level?
Valence electrons are found in the outermost energy level of an atom, also known as the highest principal energy level. These are the electrons involved in chemical bonding and determining the reactivity of an element.
Which electrons in an atom have the highest energy level?
Electrons in the outermost energy level (valence electrons) have the highest energy level. These electrons are involved in the atom's chemical reactions and bonding with other atoms.
What are electron in the outer energy level called?
Valence electrons.
How many valence electrons are in the sodium family?
Elements in the sodium family (Group 1A or Group 1) have 1 valence electron. This is because they have one electron in their outermost energy level.
What energy level are the valence electrons located in lithium?
2nd energy level, the electron arrangement is 2,1 at ground state
The valence electrons of which element has the highest energy hydrogen lithium sodium or potassium?
The element with the highest energy valence electrons among hydrogen, lithium, sodium, and potassium is potassium. Potassium is in the first group of the periodic table, which means it has one valence electron located in the highest energy level (n=4 in the case of potassium).
What valence electrons?
The electrons found in the outermost shell (or energy level) are known as the valence electrons.
