Advertisements
Advertisements
प्रश्न
Give a reason – Magnesium [2, 8, 2] has valency 2+.
Advertisements
उत्तर
Valency of magnesium is 2+, Mg [2, 8, 2]
Electronic configuration of Mg is 2, 8, 2 i.e. there are 2 valence electrons which Mg can lose and achieve the stable configuration of nearest noble gas Neon.
Hence is cation Mg2+ has valency 2+.
APPEARS IN
संबंधित प्रश्न
Name the elements represented by the following symbols :
Hg, Pb, Au, Ag, Sn
State the type of element for the following:
Copper
Write the radical of the following valency:
Nitrate
Write the radical of the following valency:
Sulphate
Define the term ‘valency’.
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Silver
write symbol with the variable valency
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Tin
write symbol with the variable valency
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Oxide
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Sulphate
Name three metals whose symbols are derived from the first letter of the name of the element.
