10. Which of the following CORRECTLY describes the modern periodic table?
A. It has 18 groups and 7 periods
B. It has 18 groups and 8 periods
C. It has 18 groups and 10 periods
D. It has 8 groups and 7 periods
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10. Which of the following CORRECTLY describes the modern periodic table?
A. It has 18 groups and 7 periods
B. It has 18 groups and 8 periods
C. It has 18 groups and 10 periods
D. It has 8 groups and 7 periods
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Answer:
A. It has 18 groups and 7 periods