How many horizontal rows are there in the modern periodic table ? What are these rows called ?
There are 7 horizontal rows in the periodic table which are called as 'periods'.
CBSE Class 10 board exams twice a year ‘relief’ or ‘burden’? Parents, schools share mixed views
CBSE Class 10 exams twice a year from 2026; 64.4% students in favor, second attempt optional
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