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Bromine vs. Bromide: What's the Difference?

Edited by Sawaira Riaz || By Sara Rehman || Updated on December 8, 2023
Bromine is a dark, reddish-brown liquid element, while bromide is a compound containing bromine in its negative ion form.

Key Differences

Bromine, a chemical element with the symbol Br, is a dark, reddish-brown liquid at room temperature. Bromide, on the other hand, refers to a compound in which bromine exists as a negatively charged ion (Br-), typically combined with a metal or a cation like sodium or potassium.
Sara Rehman
Dec 03, 2023
In its elemental form, bromine is highly reactive and toxic, requiring careful handling. Bromide compounds, due to the ionic bonding of bromine, are generally more stable and less reactive than elemental bromine.
Sara Rehman
Dec 03, 2023
The uses of bromine are diverse, including in flame retardants, photography, and as a fumigant. Bromide compounds are often used in medical applications, such as sedatives and anticonvulsants.
Sawaira Riaz
Dec 03, 2023
The extraction of bromine typically involves the treatment of brine with chlorine. Bromides are often produced by reacting bromine with another element or compound, such as sodium hydroxide.
Aimie Carlson
Dec 03, 2023
Environmentally, bromine can be a concern due to its role in ozone depletion when released into the atmosphere. Bromide ions in the environment are less of a concern, as they are more stable and less volatile.
Sara Rehman
Dec 03, 2023
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Comparison Chart

State at Room Temp.

Dark, reddish-brown liquid
Solid or part of a compound
Sara Rehman
Dec 03, 2023

Chemical Form

Elemental form (Br2)
Ionic form (Br-)
Sara Rehman
Dec 03, 2023

Reactivity

Highly reactive and toxic
Generally stable and less reactive
Sara Rehman
Dec 03, 2023

Common Uses

Flame retardants, photography
Medical applications (sedatives, anticonvulsants)
Harlon Moss
Dec 03, 2023

Environmental Impact

Ozone depletion concern when released into the air
More stable, less volatile in the environment
Aimie Carlson
Dec 03, 2023
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Bromine and Bromide Definitions

Bromine

Bromine is a volatile, reddish-brown liquid at room temperature.
The distinct color of bromine makes it easily identifiable in a laboratory setting.
Harlon Moss
Nov 21, 2023

Bromide

Bromide salts are often used for their sedative effects in medicine.
Sodium bromide was historically used as a tranquilizer.
Janet White
Nov 21, 2023

Bromine

Bromine is used in the manufacture of organic compounds in industry.
Bromine is crucial in the synthesis of certain dyes and pharmaceuticals.
Sara Rehman
Nov 21, 2023

Bromide

Bromides are stable ionic compounds in contrast to elemental bromine.
Magnesium bromide is used as a mild catalyst in organic reactions.
Aimie Carlson
Nov 21, 2023

Bromine

Bromine is known for its strong and unpleasant odor.
The laboratory was ventilated after a spill of bromine due to its pungent smell.
Sara Rehman
Nov 21, 2023

Bromide

Bromide is a compound containing bromine in a negative ion form.
Potassium bromide is used in photography for its light-sensitive properties.
Sawaira Riaz
Nov 21, 2023

Bromine

Bromine is a halogen element with the atomic number 35.
Bromine is used in flame retardants because of its effectiveness in inhibiting combustion.
Janet White
Nov 21, 2023

Bromide

Bromide ions are essential in some industrial chemical reactions.
Silver bromide is integral to traditional photographic film.
Aimie Carlson
Nov 21, 2023

Bromine

Bromine plays a role in water treatment processes.
Bromine is added in small quantities to swimming pools to keep the water clean.
Janet White
Nov 21, 2023

Bromide

Bromides are commonly found in seawater and mineral deposits.
Seawater contains a significant amount of bromide ions, which can be extracted.
Janet White
Nov 21, 2023

Bromine

A dense, volatile, corrosive, reddish-brown, nonmetallic liquid halogen element that exists as a diatomic molecule, Br2 having a highly irritating vapor. Chiefly isolated from brines, it is used in producing fumigants, dyes, water purification compounds, and photographic chemicals. Atomic weight 79.904; atomic number 35; melting point -7.2°C; boiling point 58.8°C; density of gas 7.59 grams per liter; specific gravity (liquid, at 20°C) 3.12; valence 1, 3, 5, 7. See Periodic Table.
Sara Rehman
Nov 19, 2023

Bromide

Univalent anionic bromine, or a compound of bromine, especially a binary compound of bromine with a more electropositive element.
Sara Rehman
Nov 19, 2023

Bromine

(uncountable) A nonmetallic chemical element (symbol Br) with an atomic number of 35; one of the halogens, it is a fuming red-brown liquid at room temperature.
Sara Rehman
Nov 19, 2023

Bromide

Potassium bromide.
Sara Rehman
Nov 19, 2023

Bromine

(countable) A bromine atom
Sara Rehman
Nov 19, 2023

Bromine

One of the halogen elements, related in its chemical qualities to chlorine and iodine. Atomic weight 79.8. Symbol Br. It is a deep reddish brown liquid of a very disagreeable odor, emitting a brownish vapor at the ordinary temperature. In combination it is found in minute quantities in sea water, and in many saline springs. It occurs also in the mineral bromyrite.
Sara Rehman
Nov 19, 2023

Bromine

A nonmetallic largely pentavalent heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water
Sara Rehman
Nov 19, 2023

FAQs

What are common bromide compounds?

Common bromide compounds include sodium bromide, potassium bromide, and magnesium bromide.
Sara Rehman
Dec 03, 2023

What is bromine?

Bromine is a chemical element, a dark reddish-brown liquid, and a member of the halogen group.
Sara Rehman
Dec 03, 2023

How is bromine used industrially?

Bromine is used in flame retardants, photography, and in the production of some pesticides.
Sara Rehman
Dec 03, 2023

What is a bromide?

A bromide is a chemical compound containing a bromide ion, where bromine is negatively charged.
Sawaira Riaz
Dec 03, 2023

Is bromine naturally occurring?

Yes, bromine is found in nature, mainly in seawater and mineral deposits.
Sara Rehman
Dec 03, 2023

Can bromine exist as a gas?

Yes, bromine can vaporize to form a reddish-brown gas with a pungent odor.
Harlon Moss
Dec 03, 2023

Is bromine used in water treatment?

Yes, bromine is used in some water treatment processes for disinfection.
Sara Rehman
Dec 03, 2023

Are bromides safe for medical use?

Bromides are used in some medications, but their use is limited due to potential side effects.
Sara Rehman
Dec 03, 2023

What are the environmental impacts of bromine?

Bromine compounds can contribute to ozone depletion if released into the atmosphere.
Harlon Moss
Dec 03, 2023

How are bromides used in photography?

Bromides, like silver bromide, are used in photographic films for their light-sensitive properties.
Sara Rehman
Dec 03, 2023

How are bromides formed?

Bromides are formed when bromine reacts with another element, like sodium or potassium.
Sara Rehman
Dec 03, 2023

What are the environmental impacts of bromides?

Bromides are less volatile and generally have a lower environmental impact than bromine.
Aimie Carlson
Dec 03, 2023

Can bromides be used in fire extinguishers?

Some bromide compounds are used in fire suppression systems, particularly in specialized applications.
Aimie Carlson
Dec 03, 2023

Is bromine reactive?

Yes, bromine is highly reactive and can form compounds with many elements.
Harlon Moss
Dec 03, 2023

Are bromides reactive?

Bromides are generally less reactive than elemental bromine.
Aimie Carlson
Dec 03, 2023

Are bromides corrosive?

Bromides are not as corrosive as elemental bromine and are generally safer to handle.
Aimie Carlson
Dec 03, 2023

Are bromides found in the human body?

Bromides are present in trace amounts in the human body but are not essential elements.
Harlon Moss
Dec 03, 2023

How is bromine extracted?

Bromine is typically extracted from seawater or brine pools through a chemical process involving chlorine.
Janet White
Dec 03, 2023

What safety precautions are needed for bromine?

Bromine requires careful handling due to its toxicity and corrosive nature.
Sara Rehman
Dec 03, 2023

Can bromine be found in food?

Bromine is not typically present in food, but bromine-containing compounds may be used in some food additives.
Harlon Moss
Dec 03, 2023
About Author
Written by
Sara Rehman
Sara Rehman is a seasoned writer and editor with extensive experience at Difference Wiki. Holding a Master's degree in Information Technology, she combines her academic prowess with her passion for writing to deliver insightful and well-researched content.
Edited by
Sawaira Riaz
Sawaira is a dedicated content editor at difference.wiki, where she meticulously refines articles to ensure clarity and accuracy. With a keen eye for detail, she upholds the site's commitment to delivering insightful and precise content.

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