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Chlorine needs only one additional electron to form an ion that is isoelectronic with an atom of the noble gas argon, while sulfur needs two additional electrons to form an ion that is isoelectronic with an atom of the noble gas argon. Ions that are isoelectronic with noble gas atoms are particular stable; therefore, their formation is favored.

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Why does chlorine form a -1 ion but sulfur only forms -2 ion?

Chlorine prefers to gain one electron to achieve a full outer electron shell, forming a -1 ion. On the other hand, sulfur has two extra electrons to reach a full outer shell, leading to the formation of a -2 ion. This difference in electron configuration accounts for why chlorine forms a -1 ion while sulfur forms a -2 ion.


What is the difference between sulfur ion and chlorine ion?

Sulfur ion typically has a 2- charge (S^2-) due to gaining two electrons to achieve a stable electron configuration. Chlorine ion usually has a 1- charge (Cl^-) by gaining one electron to reach a stable electron configuration. Energetically, sulfur ion tends to form compounds with metals in higher oxidation states compared to chlorine ion.


What ion does sulfur have?

Sulfur typically forms a -2 ion, known as sulfide (S2-).


Why does chlorine forms a negative one ion but sulfur forms a negative two ion?

Chlorine has 7 electrons in its valence shell, and to fill the octet rule, it needs one more. So it will accept one electron to form the Cl- ion. Sulfur has 6 valence electrons, and to fill the octet rule, it needs 2 more electrons. So it will accept 2 electrons to form the S-2 ion.


What is the Oxidation Number of Sulfur of SCI2?

The oxidation number of sulfur in SCI2 is +2. This is because the oxidation state of chlorine is -1, and since there are two chlorine atoms in the compound, the overall charge is -2. In order to balance the charge, sulfur must have an oxidation state of +2.

Related Questions

Why does chlorine form a -1 ion but sulfur only forms -2 ion?

Chlorine prefers to gain one electron to achieve a full outer electron shell, forming a -1 ion. On the other hand, sulfur has two extra electrons to reach a full outer shell, leading to the formation of a -2 ion. This difference in electron configuration accounts for why chlorine forms a -1 ion while sulfur forms a -2 ion.


What is the difference between sulfur ion and chlorine ion?

Sulfur ion typically has a 2- charge (S^2-) due to gaining two electrons to achieve a stable electron configuration. Chlorine ion usually has a 1- charge (Cl^-) by gaining one electron to reach a stable electron configuration. Energetically, sulfur ion tends to form compounds with metals in higher oxidation states compared to chlorine ion.


What is the symbol for the sulfur ion?

The symbol is S2- because to become an ion a sulfur atom gains two electrons and each electron has a 1- charge.


How many chargesin a sulfur ion?

The most common ion formed from a single sulfur atom is a sulfide ion, with a charge of -2.


What is the name of sulfur ion with -2 charge?

Sulfur ion with a -2 charge is called sulfide ion (S^2-).


What ion does sulfur have?

Sulfur typically forms a -2 ion, known as sulfide (S2-).


What is the charge of the common ion formed by sulfur?

-2 is the most common charge (sulphide ion).


What is true about electronic in a sulfur ion?

The electronic configuration of sulfur ion (S)2- is: 1s22s22p63s23p6.


Why does chlorine forms a negative one ion but sulfur forms a negative two ion?

Chlorine has 7 electrons in its valence shell, and to fill the octet rule, it needs one more. So it will accept one electron to form the Cl- ion. Sulfur has 6 valence electrons, and to fill the octet rule, it needs 2 more electrons. So it will accept 2 electrons to form the S-2 ion.


What is the Oxidation Number of Sulfur of SCI2?

The oxidation number of sulfur in SCI2 is +2. This is because the oxidation state of chlorine is -1, and since there are two chlorine atoms in the compound, the overall charge is -2. In order to balance the charge, sulfur must have an oxidation state of +2.


What common ion is formed by sulfur?

Sulfate ion (SO4^2-) is a common ion formed by sulfur. It is created when sulfur atoms combine with oxygen atoms and gain a -2 charge to achieve stability.


How does a sulfur atom become a sulfur ion?

A sulfur atom becomes a sulfur ion by losing or gaining electrons. If a sulfur atom loses electrons, it becomes a positively charged sulfur ion (sulfur cation). If it gains electrons, it becomes a negatively charged sulfur ion (sulfur anion).