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प्रश्न
State the type of element for the following:
Calcium
पर्याय
Metal
Non-metal
Metalloid
Noble gas
उत्तर
Metal
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संबंधित प्रश्न
For writing a chemical formula – ‘symbols’ and combining capacity of an element with hydrogen i.e. ‘valency’ should be known. Explain the term – combining the capacity of an element i.e. valency.
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
Give the symbol of the following element:
Neon
Give the symbol of the following element:
Antimony
State the type of element for the following:
Sulphur
Give the formula of the following acid:
Sulphuric
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Tin
write symbol with the variable valency
What is meant by the term ‘symbol’?
What does the symbol '(l)' present in a chemical equation, mean?
What does the symbol '(aq.)' present in a chemical equation, mean?
