Advertisements
Advertisements
प्रश्न
State the type of element for the following:
Sodium
पर्याय
Metal
Non-metal
Metalloid
Noble gas
उत्तर
Metal
APPEARS IN
संबंधित प्रश्न
The Latin language name of an element is natrium. The English name of this element is :
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)
In the chemical word equation – Zinc + Sulphuric acid → Zinc sulphate + Hydrogen
The molecular equation is :
Zn + H2SO4 → ZnSO4 + H2[g].
State what [g] represents.
State the type of element for the following:
Phosphorus
Write the radical of the following valency:
Bromine [Bromide]
Define the term ‘valency’.
Give a reason – Magnesium [2, 8, 2] has valency 2+.
State the valency of the following metallic element and write symbol with the valency
Aluminium
The name copper was taken from ______.
How many elements are known at present?
