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Element M can be a choice of 4 elements, Beryllium, Magnesium, Calcium, or Strontium.

The element must have an oxidation of +2, which means group 2 elements.

The atomic radius of a barium atom is 222pm. Radium has a larger atomic radius that Barium, so that is eliminated, and Barium is the same as Barium so that is also eliminated.

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Which element is least reactive of magnesium chlorine rubidium and sodium?

Magnesium is the least reactive element among magnesium, chlorine, rubidium, and sodium. It belongs to the alkali earth metals and has a low reactivity due to its stable electronic configuration.


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.


What element does this compound contain MgCl2?

MgCl2 contains the elements magnesium and chlorine.


Would bromine displace chlorine from a halide?

Yes, bromine is more reactive than chlorine and can displace chlorine from a halide. This reaction involves the displacement of the less reactive element (chlorine) by the more reactive element (bromine) in the halide compound.


Is chlorine is a compound?

chlorine is not a compound. it is an element.


What element is very reactive has properties similar to those of magnesium and is in the same period as bromine?

The element that fits this description is chlorine, which is a highly reactive halogen with properties similar to those of magnesium. Chlorine is located in the same period as bromine (Group 17, Period 4) in the periodic table.


Magnesium is a compound?

Magnesium is a chemical element, not a compound.


Can magnesium replace lithium in a single replacement reaction?

No, magnesium cannot replace lithium in a single replacement reaction because lithium is more reactive than magnesium. In single replacement reactions, a more reactive element will displace a less reactive element from a compound, but this is not possible in this case due to the reactivity trend.


Is chlorine a element or compound?

Chlorine is an element.


Is chlorine one of the most reactive of all elements?

Chlorine is a Highly reactive element.


Is magnesium and iodine an element or a compound?

Magnesium and iodine is a element


What compound is chlorine?

Chlorine is not a compound, it is a basic element. It is 17th on the periodic table of elements and has a mass number of 35.45. - - - - - Having said that, which is true, chlorine is so reactive it'll go out of its way to form compounds with other elements.