Which of the following statements about the modern periodic table is NOT correct?

Q: Answer-Which of the following statements about the modern periodic table is NOT correct?

The statement that is NOT correct is Period 1 has only one element Period 1 of the periodic table actually has two elements Hydrogen H and Helium He.

A There are seven periods in the periodic table Correct Incorrect

B Period 1 has only one element Correct Incorrect

C The periodic table is arranged in order of atomic number Correct Incorrect

D There are 18 groups in the periodic table Correct Incorrect

Detailed Solution

The statement that is NOT correct is: Period 1 has only one element Period 1 of the periodic table actually has two elements: Hydrogen (H) and Helium (He).

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Which of the following statements about the modern periodic table is NOT correct?

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