Advertisements
Advertisements
प्रश्न
Give the symbol of the following element:
Magnesium
Advertisements
उत्तर
| Name | Symbol |
| Magnesium | Mg |
APPEARS IN
संबंधित प्रश्न
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
Give two examples of the following:
Solid + Liquid mixture
Match the symbols of non-metallic elements with their correct combining power or capacity.
(a) O
(b) S
(c) Cl
Combining power or capacity A : 3; B : 2; C : 1. (negative valencies)
Give the symbol of the following element:
Oxygen
State the type of element for the following:
Iodine
State the type of element for the following:
Radon
Give three reasons why – carbon dioxide is considered a compound, while carbon – an element.
Write the chemical formula of the following:
calcium carbonate
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Mercury
write symbol with the variable valency
What does the symbol '(aq.)' present in a chemical equation, mean?
