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Because they require one electron to complete their octet

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Q: Why do elements in group 17 have an oxidation number of -1?
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Related questions

What is the common oxidation number for all elements in group 17 of the periodic table?

-1.


What is the oxidation number of group 17 elements?

There are some numbers. Every element shows -1 number.


What is group 17 oxidation number?

-1 only for F Other elements could have -1 to +7 depending on the compound


What is the oxidation number for group 17?

-1 is most common, though oxidation number up to +7 are known (except for fluorine)


What is the group name of group number eighteen in the periodic table?

Group 17 elements are also known as halogens. Atomic halogens have 0 as their oxidation number. They tend to accept an electron from another element to become stable: the new oxidation state would be -1.


Which elements have oxidation number 1?

Potassium and Lithium


What element has -1 as an oxidation number?

The halogens (group 17) have an oxidation number of -1, though the halogens below fluorine can have other oxidation numbers as well. Hydrogen can also have an oxidation number of -1 when it forms hydrides.


Which elements show both positive and negative oxidation states?

The group I-A and III-A group have both positive and negative oxidation state . In I-A group H (hydrogen) has negative oxidation state and positive oxidation state.In III-A group B(boron) performs both positive and negative oxidation states. RGUKT IIIT NUZVID: N091528


What are the elements in group 17?

Group 17 elements are called the halogens. Group 18 elements are called the noble gases.


What elements are in group 17?

Group 17 elements are called the halogens. Group 18 elements are called the noble gases.


What is the family name for group 17?

Group number 17 on the periodic table of the Elements are known as the Halogens; Group 18 are the Noble Gases


What is the mane of the elements in group 17?

The elements in group 17 are collectively called the halogens.