Question

arrange the following elements in decreasing order: Mn, Mg,Co,Ni,Pb​

Answer 1

Answer:

Pb, Ni, Co, Mn, Mg

Explanation:

The full name of these elements whose chemical symbol are given are as follows:

Pb (from Latin Plumbum) is Lead, Ni is Nickel, Co is Cobalt, Mn is Manganese, Mg is Magnesium.

The atomic numbers of these elements are:

Lead - 82

Nickel - 28

Cobalt - 27

Manganese - 25

Magnesium - 12.

Thus, the descending order of these elements would be Pb, Ni, Co, Mn & Mg.