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प्रश्न
State the valency of the following metallic element and write symbol with the valency
Sodium
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उत्तर
Metals have positive valency 1, 2 or 3,
| Element | Symbol | Valency |
| Sodium | \[\ce{Na}\] | \[\ce{Na^1+}\] |
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संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
Name the elements represented by the following symbols :
Hg, Pb, Au, Ag, Sn
The symbols of the elements cobalt, aluminium, helium and sodium respectively written by a student are as
follows. Which symbol is the correct one ?
Write the full form of IUPAC. Name the elements represented by the following symbols:
Au, Pb, Sn, Hg
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.
Helium by ‘He’
State the type of element for the following:
Sodium
Write the radical of the following valency:
Sodium
Write the radical of the following valency:
magnesium
Write the radical of the following valency:
Calcium
Symbol of mercury is
