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प्रश्न
Write the chemical formula of the following:
aluminium chloride
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उत्तर
AIC3
APPEARS IN
संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
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)
Give the symbol of the following element:
Fluorine
State the type of element for the following:
Carbon
Write the chemical formula of the following:
calcium sulphide
Give the formula of the following gas:
Sulphur dioxide
State the valency of the following metallic element and write symbol with the valency
Calcium
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Iron
write symbol with the variable valency
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).
Iodide
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
