Advertisements
Advertisements
प्रश्न
State the type of element for the following:
Sulphur
पर्याय
Metal
Non-metal
Metalloid
Noble gas
Advertisements
उत्तर
Non-metal
APPEARS IN
संबंधित प्रश्न
The Latin language name of an element is natrium. The English name of this element is :
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Phosphate
Match the non-metallic elements – with their correct symbols. Non-metallic elements are:
| Non-Metallic elements | Symbol |
| (a) Carbon | (1) O |
| (b) Chlorine | (2) I |
| (c) Oxygen | (3) Si |
| (d) Phosphorus | (4) C |
| (e) Hydrogen | (5) Cl |
| (f) Nitrogen | (6) P |
| (g) Iodine | (7) F |
| (h) Bromine | (8) H |
| (i) Fluorine | (9) S |
| (j) Silicon | (10) Br |
| (k) Sulphur | (11) N |
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)
Give the symbol of the following element:
Carbon
Give the symbol of the following element:
Calcium
Give the symbol of the following element:
Silicon
Give the symbol of the following element:
Iodine
State what is meant by the term ‘activity series of metals’.
Mass of one atom of oxygen is
