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प्रश्न
Name: a Metal Which is a Poor Conductor of Electricity.
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उत्तर
Tungsten
APPEARS IN
संबंधित प्रश्न
Fill in the blank
_________ refers to the number of atoms in the molecule of an element
Fill in the blank
The most abundant element in the atmosphere is _______.
Indicate whether the following statement is true or false:
Elements are made up of compounds
Indicate whether the following statement is true or false:
Molecules combine to form atoms
Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because
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 ___________
Differentiate between homogenous & heterogeneous mixtures.
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
Differentiate between elements and compounds.
Give two example of elements.
