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प्रश्न
Give the symbol of the following element:
Calcium
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उत्तर
| Name | Symbol |
| Calcium | Ca |
संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
Match the symbols of metallic elements – with their correct combining power or capacity.
(a) K
(b) Zn
(c) Al
(d) Na
(e) Ca
Combining power or capacity – A : 3 ; B : 2 ; C : 1. (positive valencies)
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)
State the type of element for the following:
Fluorine
State what is meant by the term ‘activity series of metals’.
Write the radical of the following valency:
Sodium
Give the formula of the following acid:
Sulphuric
State the valency of the following metallic element and write symbol with the valency
Zinc
______ of some elements are derived from Latin or Greek names of the elements.
Symbol of mercury is
