select the correct answer. which of these elements is a metal? a. hafnium (hf) b. radon (rn) c. silicon (si)…
select the correct answer. which of these elements is a metal? a. hafnium (hf) b. radon (rn) c. silicon (si) d. sulfur (s) e. selenium (se)
Answer
Brief Explanations:
Metals are typically found on the left - hand side and in the middle of the periodic table. Hafnium is a transition metal. Radon is a noble gas, silicon is a metalloid, sulfur and selenium are non - metals.
Answer:
A. hafnium (Hf)