Question

metalloids are found: *
a. far left side
b. far right side
c. randomly placed
d. along the zig-zag staircase

which family contains elements that form 1+ ions? *
a. halogens
b. transition metals
c. alkali metals
d. noble gases

Explanation:

First Question (Metalloids' Location)

Metalloids have properties between metals and non - metals. On the periodic table, they are located along the zig - zag (or staircase - like) line that separates metals and non - metals. The far left side has metals, the far right has non - metals, and they are not randomly placed. So the correct option is D.

Alkali metals (Group 1) have one valence electron. To achieve a stable electron configuration, they tend to lose that one electron, forming ions with a 1+ charge. Halogens (Group 17) gain an electron to form 1 - ions. Transition metals have variable charges, and noble gases are stable and don't form ions easily. So the correct option is C.

Answer:

D. Along the zig - zag staircase

Second Question (Family with 1+ ions)