Name: the Hardest Naturally Occurring Substance

एक शब्द/वाक्यांश उत्तर

Diamond

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अध्याय 3: Elements, Compounds and Mixtures - Exercise 3 (A) [पृष्ठ २४]

अध्याय 3 Elements, Compounds and Mixtures
Exercise 3 (A) | Q 5.8 | पृष्ठ २४

Why is it necessary to separate the constituents of a mixture.

Name: a Liquid Metal

What is meant by 2H and H₂

Fill in the blank
A liquid non-metal is _______.

Indicate whether the following statement is true or false:
Molecules can exist independently.

Select the correct answer from the choice given below.
The unreactive non-metallic element

Explain the difference between Metals and non-metals.

Select the correct answer to the statement given below:

A metalloid

Select the correct answer from A, B, C, D & E for the statement given below :

A metalloid.

There are ______ number of known elements.