Multiple choice

Which of the following statements is/are correct about the modern periodic table?

  1. It has 8 vertical columns known as groups.

  2. It has 7 horizontal rows known as periods.

  3. It has 18 vertical columns known as groups.

  4. Both 1 and 2

  5. Both 2 and 3
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The modern periodic table has 7 horizontal rows known as periods and 18 vertical columns known as groups.

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