Question

Which of the following statements about the Modern Periodic Tableis correct

1)It has 18 horizontal rows known as Periods

2)It has 7 vertical columns known as Periods

3)It has 18 vertical columns known as Groups

4)It has 7 horizontal rows known as Groups

​

Answer 1

Answer:

Subject. Re: rudradetergent and praannnnnit________ly sent you messages. Double tap to edit.

Explanation:

please mark and brinlits

Answer 2

$\huge{\orange{\overbrace{ \red{ \overbrace{\red{\underbrace \color{blue} {\underbrace \color{black} {\fcolorbox{magenta}{lime}{\fcolorbox{red}{black}{\fcolorbox{pink}{pink}{ \fcolorbox{blue}{blue}{{\bf{{{{\green{Answer}}}}}}}}}}}}}}}}}}$

2) It has 7 vertical columns known as periods.