Question

The characteristics of elements $X,Y$ and $Z$ with atomic numbers, respectively, 33,53 and 83 are :

• A. X and Y are metalloids and Z is a metal.
• B. X is a metalloid, Y is a non-metal and Z is a metal.
• C. X, Y and Z are metals.
• D. X and Z are non-metals and Y is a metalloid

Answer 1

Answer: (B)

$X={}_{33}As\to$ Metalloid

$Y={}_{53}I\to$ Nonmetal

$Z={}_{83}Bi\to$ Metal