What is the name of the halogen that is in period 3?

Asked By: Parmenio Arcarazo | Last Updated: 11th March, 2020
Category: science chemistry
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Chlorine is a halogen in group 17 and period 3.

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In respect to this, what is the name of the halogen that is in period 2?

The halogens or halogen elements; fluorine (F), chlorine (Cl), bromine (Br), Iodine (I), astatine (At) and possibly the unknown (Uss), are a group of nonmetal elements. The term "halogen" means "salt-former" and compounds containing halogens are called "salts".


Group*** Period
1 IA 1A
2 IIA 2A
13 IIIA 3A
17 VIIA 7A

Secondly, what are the examples of halogen? The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts).

Also know, what is the name of the noble gas that is in period 3?


What is the name of the 4th halogen?

Halogens on the Right In the second column from the right side of the periodic table, you will find Group Seventeen (Group XVII). This column is the home of the halogen family of elements. Who is in this family? The elements included are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).

39 Related Question Answers Found

Which element is most reactive?

1 Answer. Due to its positioning on the periodic table, Francium should theoretically be the most reactive element, however because it is also radioactive, Cesium is instead.

Why halogens are called halogens?

Group 17 elements are called halogens because halogen is a Greek word which means 'salt producing'. Halogens include fluorine, chlorine, bromine, iodine and astatine. They all are non-metals. They react with metals to form compounds called salts.

What are halogens used for?

Both chlorine and bromine are used as disinfectants for drinking water, swimming pools, fresh wounds, spas, dishes, and surfaces. They kill bacteria and other potentially harmful microorganisms through a process known as sterilization. Chlorine and bromine are also used in bleaching.

How many halogens are there?

Depending on who you ask, there are either 5 or 6 halogens. Fluorine, chlorine, bromine, iodine, and astatine definitely are halogens.

What makes halogens reactive?

Halogens are reactive because they want to obtain that last electron to fill their outer level. Fluorine is the smallest atom of the halogen elements. It also has the strongest ability to attract electrons from other elements, making it the most reactive of the halogens.

What are the sources of halogens?

The main natural sources of atmospheric fluorine compounds are volcanoes, fumaroles, forest fires and marine aerosols. The atmospheric fluorine compounds include inorganic gases and particles, and about a dozen organic compounds.

What is bromide found in?

Bromine is found naturally in the earth's crust and in seawater in various chemical forms. Bromine can also be found as an alternative to chlorine in swimming pools. Products containing bromine are used in agriculture and sanitation and as fire retardants (chemicals that help prevent things from catching fire).

How is fluorine different from other halogens?

The main points of difference are : (1) Fluorine is most reactive of all the halogens due to lower value of F — F bond dissociation energy (F2 = 158, Cl2 = 243, bromine = 192 and iodine = 151 kJ mol–1) . Other halogens show positive oxidation states of +1, +3, +5 and +7.

Which element is a row 4 noble gas?

Krypton (Kr) is a noble gas, placed under argon and over xenon.

What are the 7 noble gases?

Noble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table. The elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og).

What is argon used for?

It is used to fill incandescent and fluorescent light bulbs to prevent oxygen from corroding the hot filament. Argon is also used to form inert atmospheres for arc welding, growing semiconductor crystals and processes that require shielding from other atmospheric gases.

Is helium flammable gas?

At room temperature helium is an odorless, tasteless, colorless gas. Helium is one of the inert or noble gases. This means that its outside electron shell is filled with electrons. This makes it very unreactive and non-flammable.

Are the noble gases flammable?

Properties and uses of noble gases
The main properties of the noble gases include: they have low densities. they are inert, so they are not flammable.

Can noble gases Bond?

2 Answers. Noble gases usually do not form strong bonds between their atoms - it takes fair amount of energy to dimerise them into excimers, but those are short-lived excited molecules. On the other hand there are many stable molecules created by heavier noble gases (mainly xenon) with other elements.

What do all elements in Period 3 have in common?

In the whole of period 3, the outer electrons are in 3-level orbitals. These are all the same sort of distances from the nucleus, and are screened by the same electrons in the first and second levels. The major difference is the increasing number of protons in the nucleus as you go from sodium across to argon.