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
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
State which element exists in the highest percentage in atmosphere.
Give the symbol of the following element:
Bromine [bromide]
State the type of element for the following:
Fluorine
State the type of element for the following:
Antimony
Give the symbol of the following element:
Nitrate
Write the chemical formula of the following:
calcium sulphide
Give the formula of the following acid:
Hydrochloric
State the valency of the following metallic element and write symbol with the valency
Calcium
Define Alchemy.
