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It is helium. It's atomic number is 2, so it has 2 protons and therefore 2 electrons.

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What do other elements do to acquire a noble gas configuration?

Other elements can acquire a noble gas configuration by either gaining or losing electrons. Elements on the left side of the periodic table, such as alkali metals, tend to lose electrons to achieve a noble gas configuration. Elements on the right side of the periodic table, such as halogens, tend to gain electrons to achieve a noble gas configuration. Elements in the middle of the periodic table may gain or lose electrons to acquire a noble gas configuration, depending on the specific element and its properties.


What noble gas is oxygen closest to on the periodic table?

Oxygen is closest to the noble gas neon (Ne) on the periodic table.


What best describes why krypton is located in the last column on the periodic table?

Krypton is a noble gas. It has 8 electrons in the outermost shell. So it is in the last column of the periodic table.


How many electrons does silicon need to gain a noble electron gas configuration?

An atom of silicon needs to gain 4 electrons in its 3p sublevel to attain the noble gas electron configuration of argon, the noble gas in period 3 of the periodic table.


What is the most common noble gas on the periodic table?

There are 6 noble gases in periodic table. The common one is helium.


Noble gas are in which group of periodic table?

The noble gases are in column 18 of a wide form periodic table.


How many electrons does n need to gain to becom isoelectronic with a noble gas?

An atom with atomic number n needs to gain enough electrons to have the same number of electrons as the nearest noble gas in the periodic table. This would typically involve gaining 8 electrons to achieve the stable electronic configuration of a noble gas.


Which atom has two more electrons than an atom of a noble gas?

The Alkaline Earth metal which comes just after the noble gas


What is the second noble gas in the periodic table?

Argon


Is Ni2 plus a noble gas configuration?

No, Ni2+ does not have a noble gas configuration. A noble gas configuration is attained when an atom has a full valence shell of electrons, like the noble gases in Group 18 of the periodic table. Ni2+ has lost electrons to achieve a stable electron configuration but does not have a full valence shell like a noble gas.


Is RN a noble gas on the periodic table?

Yes. Radon (Rn) is classified as a noble gas.


What is the noble gas that proceeds chlorine?

Argon is the noble gas that comes in the periodic table after chlorine.