Question

18. Which one of the following is generally NOT true about elements in the

same period?
A. Number of valence electrons of the elements remains the same.
B. Elements at the right side of the period are smaller in size
C. Elements at the right side of the period have higher electron affinity.
D. Elements at the right side of the period have high metallic character.​

Answer 1

B I hope this helps

Answer 2

Statement B "Elements at the right side of the period are smaller in size" is not true.

Step-by-step explanation:

Going through the rows of the elements in the period the size of the elements get continuously bigger.