The elements with atomic numbers 2, 10, 18, 36, 54 and 86 are all
AInert gases
BLight metals
CHalogens
DRare earth metals
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Related Questions:
Which factor(s) led scientists towards the classification of elements?
- (i) Different methods of synthesis of elements
- (ii) Different source of elements
- (iii) Different properties of elements
Which of the following is the sedimentary cycle ?
Atomic number of Sulphur ?
ശരീരത്തിൽ ആവശ്യമായ ജലം നിലനിർത്തുന്നതിന് സഹായിക്കുന്ന ധാതുലവണം ?
Isotope was discovered by