Q. How many groups and periods are present in the Modern Periodic Table?

  • (A) 8 groups and 6 periods
  • (B) 18 groups and 9 periods
  • (C) 18 groups and 7 periods
  • (D) 7 groups and 10 periods
✅ Correct Answer: (C) 18 groups and 7 periods

Published by Madan ⭐ 7.44K Points at 04-May-2022 04:07 pm in Chemistry

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