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प्रश्न
Name: an Inert Gas
उत्तर
Neon, helium
APPEARS IN
संबंधित प्रश्न
Name: a Liquid Metal
Define: Formula
Fill in the blank
The most abundant element in the atmosphere is _______.
Classify substances into pure and impure substances in the form of a chart or tabulation.
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 ___________
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt, and O; the element which is metallic is ____, an inert element is ____, forms a triatomic molecule is ____, is liquid at room temperature is_ ___.
Select the correct answer from the choice given below.
The element which is malleable
Write the names of elements from the following symbol:
Fe
Select the correct answer to the statement given below:
The chemical name for dinitrogen oxide [N20].
Select the correct answer from the choice in the bracket.
The least reactive metal.
