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The ion has two electrons removed to make Mg2+. However, there are still the same number of protons in the nucleus but they have two less electrons to attract and thus pull the remaining 10 electrons closer and hence the radius is smaller.

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Is magnesium's ionization energy higher or lower than chlorine?

ionization energies of mg is less than chlorine because chlorine requires only one electron to complete its octet so it will not prefer to loose its electron morover its electronegativity is also higher and it is of smaller size than mg so electtron removal is difficult


Why is Mg smaller than Cl?

Magnesium isn't smaller than chlorine, it's larger. The atomic radius for magnesium is 145 pm and the atomic radius for chlorine is 79 pm. Both magnesium and chlorine are in the third period of the periodic table. The trend for atomic radius is that the elements generally get smaller as you move from left to right across the table in the same period.


Does chlorine atom has a smaller radius than chlorine ion?

Yes, considerably so. In general, positive ions are smaller than their neutral atoms, and negative ions are larger than their neutral atoms.


Would you expect a chlorine ion to be smaller than a magnesium ion?

No, I would expect a chlorine ion to be slightly larger than a magnesium ion. Chlorine gains an electron to form a chloride ion, which increases its electron cloud size, while magnesium loses electrons to form a magnesium ion, making it slightly smaller due to the loss of electron shielding.


What is the element size of bromine?

Its atom size is bigger than Chlorine but smaller than Iodine


When an atom of chlorine forms an ionic bond with an atom of sodium does the atom of chlorine become an ion with a smaller or larger radius than the atom of chlorine?

The chlorine atom becomes an ion with a larger radius when it forms an ionic bond with sodium. This is because it gains an electron and becomes a negatively charged ion, causing the electron cloud to expand.


Element M reacts with chlorine to form a compound with the formula MCl2 It is more reactive than magnesium and smaller than barium This element is?

Element M is calcium. It reacts with chlorine to form calcium chloride (CaCl2). Calcium is more reactive than magnesium and smaller than barium on the periodic table.


Does magnesium have a smaller radius than helium?

Atoms do not have a radius. A helium atom has a nucleus composed of at least two protons and maybe one or two neutrons. A magnesium atom nucleus (and every other atom on the periodic table other than hydrogen) is BIGGER than a helium nucleus. So if you look at it that way...magnesium is larger than helium


An atom of chlorine has 6 more protons than an atom of sodium How many protons does an atom of chlorine have?

An atom of chlorine has 17 protons, while an atom of sodium has 11 protons. Therefore, an atom of chlorine has 6 more protons than an atom of sodium.


Which one has the lowest ionization energy magnesium (Mg) chlorine (C?

Chlorine is Cl, C is carbon. The first ionization energy of magnesium is less than that of chlorine.


Which is more massive a chlorine atom or a carbon atom?

A chlorine atom is more massive than a carbon atom. Chlorine has an atomic mass of 35.45 amu, while carbon has an atomic mass of 12.01 amu.


Is size of fluorine is smaller than chlorine?

yes F is smaller than Cl due to their electronic configuration. electronic configuration of F is 1s2, 2s2, 2p5 electronic configuration of Cl is 1s2, 2s2, 2p6, 3s2, 3p5