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प्रश्न
State the valency of the following metallic element and write symbol with the valency
Magnesium
उत्तर
Metals have positive valency 1, 2 or 3,
| Element | Symbol | Valency |
| Magnesium | \[\ce{Mg}\] | \[\ce{Mg^2+}\] |
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संबंधित प्रश्न
The anion of an element has :
What is a symbol? What information does it convey?
Match the formulas of the following of bases with their correct names.
Bases – (a) NaOH (b) KOH (c) Ca(OH)2 (d) Zn(OH)2
Names – (1) Potassium hydroxide (2) Zinc hydroxide (3) Aluminium hydroxide (4) Calcium hydroxide (5) Sodium hydroxide
State the type of element for the following:
Neon
State the type of element for the following:
Xenon
Give the formula of the following acid:
Nitric
State a reason why the symbol of calcium is ‘Ca’ and of copper is ‘Cu’
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).
Chloride
How many elements are known at present?
What is the expansion of IUPAC.
