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Periodic Classification of Elements — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
Question
Rewrite the following statement after correction, if necessary:
Groups have elements with consecutive atomic numbers.
Li
Be
Na
 
K
 
Rb
 
Cs
 
Fr
Ra
✓

Answer

Periods have elements with consecutive atomic numbers.

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