Yes it is. Calcium atom loses electrons more readily in cell reactions than in reactions with air, water and dilute acids.
The price is higher for the calcium chloride.
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Calcium will bond with chlorine, but not with sodium. Sodium is a metal like calcium, so they will not bond with each other.
Calcium is more reactive but not as Potassium or Sodium because according to the displacement series Calcium comes as third and the last under the reactive elements of the displacement series.
I think sodium is more reactive than copper, because on the Reactivity Series list sodium is higher than copper.
Sodium is easier to form Na+ then Calcium forming Ca2+. The main reason is because Sodium has got 1 valence electron, which is more unstable than Calcium having 2 valence electrons. It requires less energy to remove one electron from Sodium than two electrons from Calcium. Therefore, Sodium is higher than Calcium in the reactivity series.
The price is higher for the calcium chloride.
Mg2+ and Ca2+
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The electronegativity of aluminum is higher than the electronegativity of sodium
Calcium will bond with chlorine, but not with sodium. Sodium is a metal like calcium, so they will not bond with each other.
as a displacement reaction has to occur when the metal is higher in the reactivity series thatn the metal in the salt. With your question this is not the case as sodium is higher than magnesium and so nothing will take effect.
prety sure that only Potassium (K) and Sodium (Na) can react with calcium. check the reactivity series for more info.
Calcium is more reactive but not as Potassium or Sodium because according to the displacement series Calcium comes as third and the last under the reactive elements of the displacement series.
Ocean water contain sodium and calcium chlorides.
Sodium, calcium and chromium are metals.
Elements ending in -ium are metals. Sodium and Calcium are alkali metals.