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Why is chlorine is reactive non metal?
Because a chlorine atom only needs one more electron to achieve a noble gas configuration.
Is Cl isoelectronic with a noble gas?
Not a neutral Cl atom but the chloride ion Cl- is isoelectronic with the noble gas argon.
Which element will have a noble gas configuration if it forms an ionic bond by accepting one electron from a sodium atom?
Chlorine will have a noble gas configuration by accepting one electron from a sodium atom to form an ionic bond. This results in chlorine gaining a full outer electron shell, similar to the noble gas configuration of argon.
What is one atom of noble gas?
For example one atom of helium, one atom of argon etc.; all atoms contain a nucleus (formed from protons and neutrons) and a cloud of electrons.
How many electrons are there in the third noble gas shell of sodium atom Na atomic number 11?
The sodium atom (Na) has 11 electrons. The electron configuration of sodium is 2-8-1. The third noble gas shell is the second energy level or shell, which can hold a maximum of 8 electrons. Therefore, the number of electrons in the third noble gas shell of sodium is 1.
How many electrons does a bromine atom need to gain in order to attain a noble gas electron configuration?
A bromine atom (Br) needs to gain one electron to achieve a full outer shell of electrons like a noble gas. This would give it the electron configuration of the noble gas krypton (Kr).
What is the number of protons in one atom of krypton?
Krypton is a noble gas. Atomic number of it is 36. It has 36 protons.
What element will have a noble gas configuration if it forms an ionic bond by accepting one electron from a sodium atom?
Every halogen has the capacity to accept one electron from a sodium atom and to thereby achieve a noble gas electron configuration of eight valance electrons. The halogens are fluorine, chlorine, bromine, iodine, and astatine.
Which element will have a noble gas configuration if it forms an ionic bond by donating one electron to a fluorine atom?
The element that will have a noble gas configuration after donating one electron to fluorine is lithium. By donating one electron, lithium achieves the electron configuration of helium, which is a noble gas.
Why does an oxygen atom only form two covalent bonds with hydrogen atom?
An oxygen atom only forms two covalent bonds with a hydrogen atom because oxygen needs to gain two electrons to achieve a stable electron configuration, similar to the noble gas configuration. By sharing one electron with each hydrogen atom, oxygen can fulfill its octet and achieve stability.
What element is a noble gas in the first energy level?
There are no noble gases in the first energy level. Noble gases are found in the last (highest) energy level of an atom. The first energy level can only hold a maximum of 2 electrons, while the noble gases have completely filled outermost energy levels.
How many valence electrons does an atom of chlorine have?
Chlorine has only one half-filled orbital. This means that it can only bond with one other atom.
