Which element below is least reactive?

Which element below is least reactive?

Noble gases

What are two elements that have similar properties to chlorine?

What are two elements that have properties similar to those of chlorine? Fluorine and bromine have properties similar to those of chlorine.

What element is most chemically similar to chlorine?

Bromine

What are two other elements that will have similar properties to chlorine and why?

Any element with 7 electrons in the outermost shell will have similar properties. Thus other elements in the same column of the periodic table as chlorine will have similar properties. Elements in this column form what is called the Halogen series, which is composed of fluorine, chlorine, bromine, iodine, and astatine.

Why is fluorine like chlorine?

What Makes Them Similar? When you look at our descriptions of the elements fluorine and chlorine, you will see that they both have seven electrons in their outer shell. That seven-electron trait applies to all of the halogens. Fluorine is the most reactive and combines with most elements from around the periodic table.

Why is fluorine more reactive than chlorine?

The thing that makes fluorine so reactive is its electronegativity. Electronegativity is the tendency of an atom to attract a shared pair of electrons. Therefore, since fluorine has a higher electronegatvity than chlorine, fluorine is more reactive.

What is the difference between fluorine and chlorine?

Fluorine is a very reactive gas at room temperature. Chloride is a monovalent, stable, negative ion associated with other ions, most commonly metallic and in a solid state at room temperature. Chlorine is, as is fluorine, a highly reactive and toxic gas.

What is the link between fluorine and chlorine?

Explain why fluorine and chlorine are in the same group of the periodic table. They both have 7 electrons in their outer shell, so therefore are both in group 7 of the periodic table, with chlorine directly below fluorine.

Is fluorine more reactive than chlorine?

Fluorine is the most reactive element in Group 7, and is even more reactive than chlorine. The diagrams show the electron arrangements of the two atoms. How many electrons are there in the outer shell of each atom?

Why does Group 7 get less reactive?

Reactivity decreases down the group. This is because group 7 elements react by gaining an electron. As you move down the group, the amount of electron shielding increases, meaning that the electron is less attracted to the nucleus.

Why is chlorine so reactive?

The arrangement of an atom’s electrons in “orbits” around its nucleus determines how reactive the element is because it is the electrons of atoms that interact, shuffling about, when chemical reactions occur. Because it is so “anxious” to pull another electron into its orbit, chlorine is an extremely reactive element.

Is chlorine The most reactive?

The various bond strengths are contained in the following Table. We can clearly see that all of these free radical reactions will occur (e.g. they are exothermic) in the order you suggested, with fluorine being, by far, the most reactive. Saying that chlorine is the most reactive is incorrect.

Is chlorine reactive to water?

Chlorine changes from a gas into a liquid at a temperature of -34.05°C (-29.29°F) and from a liquid to a solid at -101.00°C (-149.80°F). The gas is soluble (dissolvable) in water. It also reacts chemically with water as it dissolves to form hydrochloric acid (HCl) and hypochlorous acid (HOCl).

Is Br or Cl more stable?

Bromine radical, being less reactive, is more selective for the 2° radical. Cl•, being less stable and more reactive, is less choosy and less selective.

Is Br or Cl more basic?

So if fluorine were the most electronegative in terms of acidity, it would be the opposite in terms of base classification. The F would be the strongest base, followed by the Cl, the Br, and lastly, the I.

Is Cl or Br more electronegative?

While the electronegativity difference for the C-F bond is large (1.4), it goes down very rapidly as one goes down to C-Cl (0.6), C-Br (0.4) and C-I (0.1)….Carbon is More Electronegative Than You Think.

Element Electronegativity (Pauling)
Cl 3.2 [3.16]
N 3.0 [3.04]
Br 3.0 [2.96]
I 2.7 [2.66]

Is Br or F stronger?

HBr, HF HBr is the stronger acid because Br is larger than F. Thus, the H-BR bond is weaker than the H-F bond and Dr- is more stable than F-.

Is CL stronger than F?

H-F>H-Cl). Electronegativity of fluorine is greater than chlorine. So fluoride is stronger base than chloride. Why is an F more electronegative than Cl?

Is fluorine more acidic than chlorine?

According to organic chemistry as a second language the molecule to the right with fluorine is more acidic than the molecule with chlorine.

Do double bonds increase acidity?

If the conjugate base has a charge which can interact with adjacent double bonds or p orbitals, its stability will increase. This leads to increased acidity of the conjugate acid.

Which is the weakest base?

Therefore, L i ( O H ) is the weakest base.

What is the strongest base in the world?

ortho-diethynylbenzene dianion

What is the strongest base in chemistry?

Strong Arrhenius Bases

  • Potassium hydroxide (KOH)
  • Sodium hydroxide (NaOH)
  • Barium hydroxide (Ba(OH)2)
  • Caesium hydroxide (CsOH)
  • Sodium hydroxide (NaOH)
  • Strontium hydroxide (Sr(OH)2)
  • Calcium hydroxide (Ca(OH)2)
  • Lithium hydroxide (LiOH)

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