SOLVED QUESTIONS AND FULL SOLUTION
UPDATED
◉ N.
Answer: Nitrogen
◉ O.
Answer: Oxygen
◉ F.
Answer: fluoride
◉ Ne.
Answer: Neon
◉ Al.
Answer: Aluminum
◉ Si.
Answer: Silicon
, ◉ P.
Answer: Phosphorus
◉ S.
Answer: Sulfur
◉ Cl.
Answer: Chlorine
◉ Ar.
Answer: Argon
◉ Fe.
Answer: iron
◉ Au.
Answer: gold
◉ Ag.
Answer: Silver