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What is duplet rule in chemistry?
According to the Lewis concept, "when two atoms form a covalent bond between them, each of the atoms attains the stable configuration of the nearest inert gas, by completing its "octet" or 8 electrons in the outermost shell, or " duplet" or 2 electrons in the case of hydrogen." In other words, the duplet rule states that when an element gets 2 electrons in its valence or last shell it has achieved a stable electronic configuration . The octet rule states that when an element acquires 8 electrons in the valence shell it becomes stable like the noble gases. Certain elements like lithium and hydrogen do not attain eight electrons in their outermost valence shell.
Why octet rule is not obeyed in the formation of h2 molecule?
hydrogen atoms have only one shell( K-shell) which can accommodate only two electrons. Therefore each hydrogen atom in hydrogen moleculecontributes one electron forming a pair which is shared between the two atoms. Thus in hydrogen molecule duplet rule is followed and not the octet rule.
What does it mean to achieve a stable octet?
Achieving a stable octet means having 8 valence electrons in the outermost energy level of an atom, which corresponds to the configuration of noble gases. Atoms can achieve a stable octet by gaining, losing, or sharing electrons to attain a full outer electron shell and increase their stability.
Can iodine exceed the octet rule and have an expanded octet?
Yes, iodine can exceed the octet rule and have an expanded octet due to its ability to accommodate more than eight electrons in its valence shell.
What is a sentence for octet?
an octet is eight: the cardinal number that is the sum of seven and one.
What is the octet rule in terms of lewis structures?
Octet rule states that each electron wants to complete its octet ( 8 electrons in the outermost shell) or a duplet (in case of hydrogen and helium).
What is a atom that forms a stable ion but not have an octet structure?
An example of an atom that can form a stable ion without having an octet structure is sulfur. Sulfur can gain two electrons to achieve a full outer shell (8 electrons) by forming a stable ion with a 2- charge, rather than gaining or losing 6 electrons to achieve a full octet.
What is duplet state?
A duplet state is when an element has two electrons in it's outermost shell For example-Helium
Why an atom having tendency to achieve octet and duplet?
Atoms tend to achieve an octet (eight electrons in their outer shell) or duplet (two electrons for smaller atoms like helium and hydrogen) to attain greater stability. This stability arises because filled electron shells correspond to lower energy states, minimizing the atom's potential energy. By gaining, losing, or sharing electrons through chemical bonding, atoms can reach these stable configurations, often resembling those of noble gases. This drive for stability underlies the principles of chemical reactivity and bonding.
What does octet mean?
a group of musicians with 8 players
How could oxygen achieve a stable octet?
Yes. The octet rule is a rule of thumb that states that atoms tend for form bonds that allow the bonded atoms to have eight electrons in their valence shells. This is a "driving force" in chemistry, and it explains many, many reactions. Use the link below to gather more information.
Is a duplet electron considered stable?
A duplet electron configuration is considered stable, as it corresponds to having two electrons in the outer energy level, which is the most stable configuration for elements in the first period. Elements like helium achieve a duplet electron configuration and are relatively stable due to their full outermost energy level.
Another word for an 8 piece band?
its called an octet
What does it mean if an elements has 8 valence electrons?
it has a full octet
What is duplet rule in chemistry?
According to the Lewis concept, "when two atoms form a covalent bond between them, each of the atoms attains the stable configuration of the nearest inert gas, by completing its "octet" or 8 electrons in the outermost shell, or " duplet" or 2 electrons in the case of hydrogen." In other words, the duplet rule states that when an element gets 2 electrons in its valence or last shell it has achieved a stable electronic configuration . The octet rule states that when an element acquires 8 electrons in the valence shell it becomes stable like the noble gases. Certain elements like lithium and hydrogen do not attain eight electrons in their outermost valence shell.
What does gass mean?
Noble gases have completely filled octet. They are stable.
What does noble gasses mean?
Noble gases have completely filled octet. They are stable.
