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What is the maximum number of electrons that might be found in the valence shell?
The maximum number of electrons that can be found in the valence shell is 8. This is known as the octet rule, which states that atoms tend to gain, lose, or share electrons to achieve a full valence shell of 8 electrons.
The ion NO- has how many valence electrons?
The NO- ion would have 11 valence electrons. This is because nitrogen typically has 5 valence electrons and oxygen typically has 6 valence electrons in their neutral states, so NO- would have 5 + 6 = 11 valence electrons.
How are the duet and octet rules used to describe the arrangement of electrons in a molecule?
The very simple duet and octet models of covalent chemical bonding describe the chemical bond as involving an electron pair situated between atoms and that atoms lighter than He (there is only H!) achieve a stable duet (2 electrons)-- atoms heavier than He achieve an octet. the duet and octet are the stable configurations of noble gases. Lewis dot diagrams are typically used to "place" the electrons in the appropriate positions.
How many electrons are in the scandium valence shell?
The element scandium has 21 electrons. However, most of these occupy the inner orbitals. The only electrons in the valence shell are those in the 2s orbital. Since there are two such electrons, scandium has 2 valence electrons.
How many electrons can the outer level of an atom hold?
an atom has different energy orbitals: s, p, d, and f. each orbital can hold two electrons. the outside energy or highest energy levels of electrons is called the valence shell or valence electrons. for an atom to be stable it wants the electron configuration for the valence shell to be "s2, p6." to answer your question the outer level of an atom can hold 8 electrons. it is called the valence shell.
What is the maximum number of electrons that might be found in the valence shell?
The maximum number of electrons that can be found in the valence shell is 8. This is known as the octet rule, which states that atoms tend to gain, lose, or share electrons to achieve a full valence shell of 8 electrons.
The ion NO- has how many valence electrons?
The NO- ion would have 11 valence electrons. This is because nitrogen typically has 5 valence electrons and oxygen typically has 6 valence electrons in their neutral states, so NO- would have 5 + 6 = 11 valence electrons.
What determines the most likely oxidation state of an element?
the number of electrons the element needs to lose or gain to have a full valence shell
What rule is used to predict the number of electrons that must be lost or gained in order to achieve stability?
For doing so, firstly the electronic configuration of the element is written.Then it is seen how many electrons does the element has in its valence shell.The max. no. of electrons that can be present in the valence shell is 8. So, if the element has less than 4 electrons in the valence shell, then it looses them to form stable ion and if it has more than 4 electrons, it must gain 8-no. of valence electrons to form stable ion. If the element has 4 valence electrons, then it shares them with other atoms to form compounds.
How is an element's most likely oxidation state related to its valence electrons?
It indicates how many electrons are required to complete a full valence shell.
How are the duet and octet rules used to describe the arrangement of electrons in a molecule?
The very simple duet and octet models of covalent chemical bonding describe the chemical bond as involving an electron pair situated between atoms and that atoms lighter than He (there is only H!) achieve a stable duet (2 electrons)-- atoms heavier than He achieve an octet. the duet and octet are the stable configurations of noble gases. Lewis dot diagrams are typically used to "place" the electrons in the appropriate positions.
Do the halogens have different numbers of valence electrons?
no, but lower halogens have different oxidation states.
How many electrons are in the scandium valence shell?
The element scandium has 21 electrons. However, most of these occupy the inner orbitals. The only electrons in the valence shell are those in the 2s orbital. Since there are two such electrons, scandium has 2 valence electrons.
How many electrons can the outer level of an atom hold?
an atom has different energy orbitals: s, p, d, and f. each orbital can hold two electrons. the outside energy or highest energy levels of electrons is called the valence shell or valence electrons. for an atom to be stable it wants the electron configuration for the valence shell to be "s2, p6." to answer your question the outer level of an atom can hold 8 electrons. it is called the valence shell.
According to the octet rule what is the ideal number of electrons in the valence shell?
The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell with 8 electrons, resembling the electron configuration of noble gases. For some elements such as hydrogen and helium, a full valence shell may consist of just 2 electrons.
How is the number of covalent bonds an atom can form determined?
The number of covalent bonds an atom can form is determined by the number of unpaired electrons in its outermost energy level (valence shell). The octet rule states that atoms tend to form bonds in a way that allows them to have a full valence shell of 8 electrons (or 2 electrons for hydrogen and helium). Atoms will share electrons in covalent bonds to achieve stability by reaching a full outer shell.
Why nitrogen pentafluoride does not exist?
Nitrogen pentafluoride does not exist because it violates the octet rule, which states that elements tend to combine in such a way that each atom has a full valence shell of electrons. In the case of nitrogen pentafluoride, nitrogen would need 10 electrons to achieve a full valence shell, which is energetically unfavorable.
