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प्रश्न
Non-metal conducting electricity :______ :: Metal conducting electricity : Copper
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उत्तर
Non-metal conducting electricity : Graphite :: Metal conducting electricity : Copper
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संबंधित प्रश्न
Give two examples for the following: Metals
Define the term: Element
Mention three gaseous elements and write their molecular formulae
Fill in the blank
_________ refers to the number of atoms in the molecule of an element
Indicate whether the following statement is true or false:
Elements are made up of compounds
Tick (√) the correct alternative from the choice given for the following statement.
Sugar is a compound which consists of the elements
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name – a gas with a pungent, choking odour which is lighter than air
Elements are classified into – Metals – Non-metals – Metalloids – Noble gases. State which of A, B, C, D is a –
1. Metallic element
2. Non-metallic element
3. Metalloid
4. Noble gas.
A: Is non-malleable, non-ductile & a poor conductor of electricity ___________
B: Has lustre, is malleable and ductile & a good conductor of heat ___________
C: Is unreactive and inert and present in traces in the air _________
D: Shows properties of both metals and non-metals ___________
Matter is its simplest form is called ______.
Name the element which is used for making computer chips.
