Advertisements
Advertisements
Question
State the valency of the following metallic element and write symbol with the valency
Calcium
Solution
Metals have positive valency 1, 2 or 3,
| Element | Symbol | Valency |
| Calcium | \[\ce{Ca}\] | \[\ce{Ca^2+}\] |
APPEARS IN
RELATED QUESTIONS
An atom of an element is denoted by a “symbol”. Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Hydrogen by ‘H’
State the type of element for the following:
Copper
Give the symbol of the following element:
Nitrate
Give the formula of the following acid:
Sulphuric
Give the formula of the following gas:
Nitrogen dioxide
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).
Nitride
What does the symbol '→' present in a chemical equation, mean?
The chemical symbol for sodium is
How many elements are known at present?
Which letter is never used in any element symbol?
