Chemistry · Periodic Classification of Elements
Consider the statements below and identify the correct answer. Statement-I: Modern periodic table has 18 vertical columns known as groups. Statement-II: Modern periodic table has 7 horizontal rows known as periods.
- 1Statement II is correct, Statement I is incorrect.
- 2Statement I is correct, Statement II is incorrect.
- 3Both statements are correct.✓
- 4Both statements are incorrect.
Correct answer
Both statements are correct.
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