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प्रश्न
State the type of element for the following:
Copper
पर्याय
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Metal
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संबंधित प्रश्न
Give two symbols which have been derived from the "English names" of the elements.
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
Match the formulas of the following of acids with their correct names:
Acids – (a) HCI (b) HNO3 (c) H2SO4 (d) H2CO3
Names – (1) Carbonic acid (2) Sulphuric acid (3) Hydrochloric acid (4) Nitric acid
State the type of element for the following:
potassium
State the type of element for the following:
Carbon
State the type of element for the following:
Zinc
Give the symbol of the following element:
Nitrate
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
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).
Bisulphate
Name three metals whose symbols are derived from the first letter of the name of the element.
