Which halogen belongs to the fourth period? (2023)

Which halogen belongs to the fourth period?

Bromine. Bromine (Br) is an element in group 17 (halogen). It does not exist in elemental form in nature. Bromine is barely liquid at room temperature, boiling at about 330 kelvins.

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Which element belongs to 4th period?

Bromine is the only element present in period 4 while other elements belong to different periods.

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Is bromine a period 4 halogen?

Bromine is a chemical element with the symbol Br and atomic number 35. It is the third-lightest halogen and is a volatile red-brown liquid at room temperature that evaporates readily to form a similarly coloured vapour.
Atomic number (Z)35
Groupgroup 17 (halogens)
Periodperiod 4
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Which halogen is in the 5th period?

Iodine is the halogen element which is present in fifth period while Br and Cl belongs to fourth and third period.

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What period are halogens in?

It is a nonmetal, and is one of the few elements that can form diatomic molecules (F2). Chlorine is a halogen in group 17 and period 3. It is very reactive and is widely used for many purposes, such as as a disinfectant.

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What element is in Group 4 period 5?

The symbol of the element in Group 4 and Period 5 is Zr. It is the symbol of Zirconium.

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What period is bromine?

Period 4

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Is fluorine a halogen?

Group 7A (or VIIA) of the periodic table are the halogens: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). The name "halogen" means "salt former", derived from the Greek words halo- ("salt") and -gen ("formation").

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How many halogens are in the periodic table?

The halogen elements are the six elements in Group 17 of the periodic table. Group 17 occupies the second column from the right in the periodic table and contains fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts).

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How many halogens are in period 4 on the periodic table?

Key Takeaways: Halogens

The halogens are the elements in group 17 of the periodic table. This is the next-to-last column of elements on the righthand side of the table. The halogen elements are fluorine, chlorine, bromine, iodine, astatine, and possibly tennessine.

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What halogen is in the third period?

Chlorine is a halogen in group 17 and period 3. It is very reactive and is widely used for many purposes, such as as a disinfectant.

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Which is the halogen in second period?

It also has the most number of nonmetals, namely five, among all periods. The elements in period 2 often have the most extreme properties in their respective groups; for example, fluorine is the most reactive halogen, neon is the most inert noble gas, and lithium is the least reactive alkali metal.

Which halogen belongs to the fourth period? (2023)
Why Group 17 is called halogens?

The group 17 elements include fluorine(F), chlorine(Cl), bromine(Br), iodine(I) and astatine(At) from the top to the bottom. They are called “halogens” because they give salts when they react with metals.

Which group is known as halogens?

Group 17 elements are called halogens. The name halogens are from Greek halo (sea salt) and gens (producing formation) and thus means 'sea salt former'. Group 17 contains fluorine, chlorine, bromine, iodine which form salts. Hence they are called halogens.

What period is fluorine in?

Period 2

What is the 4th element?

A naturally occurring element, Beryllium is the fourth element on the Periodic Table with the symbol "Be".

What is 4 on the periodic table?


How many elements are present in 4th period?

The total number of elements present in the 4th period of the modern periodic table is 18.

Is oxygen a halogen?

All of the halogens form acids when bonded to hydrogen. Most halogens are typically produced from minerals or salts. The middle halogens—chlorine, bromine, and iodine—are often used as disinfectants.
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Is fluorine a metal?

Fluorine is an univalent poisonous gaseous halogen, it is pale yellow-green and it is the most chemically reactive and electronegative of all the elements. Fluorine readily forms compounds with most other elements, even with the noble gases krypton, xenon and radon.

Is chlorine a metal?

Chlorine is the second halogen, being a nonmetal in group 17 of the periodic table.

Why is fluorine called halogen?

Fluorine is the most reactive of all the halogens. It combines directly with every other elements except oxygen and some of the noble gases. Hence fluorine is called super halogen element. As the most electro negative element it's extremely reactive.

Is hydrogen a halogen?

So hydrogen is neither an alkali metal nor halogen.

Which element is found in group 10 and Period 4?

Nickel. Nickel (Ni) is an element in group 10.

Which is not in the halogen group?

Halogens are those elements which have 7 electrons in their outer shell. These elements are bromine, iodine, fluorine, astatine, and chlorine.
Which of the following is NOT a halogen?
Name of the elementAtomic Number
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Which one of the following is not a halogen?

The correct answer is Selenium. Selenium is NOT a halogen element.

How many elements are there in 4th period?

The total number of elements present in the 4th period of the modern periodic table is 18.

What element is in Period 4 Group 12?

zinc group element, any of the four chemical elements that constitute Group 12 (IIb) of the periodic table—namely, zinc (Zn), cadmium (Cd), mercury (Hg), and copernicium (Cn).

Why does Period 4 have 18 elements?

Since according to Pauli's exclusion principle, each orbital, at the maximum, can accommodate two electrons. Therefore, `9` orbitals, at the maximum, can have `18` electrons and hence, fourth period has `18` elements.

What element is in the fourth period in group 3a?

Group 3A (or IIIA) of the periodic table includes the metalloid boron (B), as well as the metals aluminum (Al), gallium (Ga), indium (In), and thallium (Tl). Boron forms mostly covalent bonds, while the other elements in Group 3A form mostly ionic bonds.
Group 3A.
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