Find the period 2 elements (atomic numbers #3-10) and the period 3 elements (#11 - 18). Do period 2 and period 3 have the same trend?
Period 2 elements are Lithium (Li), Berillium (Be), Boron (B), Carbon (C), Nitrogen ( N), Oxygen (O), Fluorine (Fe), Neon (Ne). Period 3 elements are Sodium (Na), Magnesium (Mg), Aluminum (AI), Silicon (Si), Phosphorus (P), Sulfur (S), Chlorine (CI, Argon, (Ar)
do period 2 and period 3 have the same trend ? (if they do can you explain a bit ?)
(brainly !!)
