Overview
This lecture covers the names, symbols, and atomic numbers of the first 30 elements on the Periodic Table, essential for chemistry fundamentals.
Elements 1-10
- Hydrogen (H)
- Helium (He)
- Lithium (Li)
- Beryllium (Be)
- Boron (B)
- Carbon (C)
- Nitrogen (N)
- Oxygen (O)
- Fluorine (F)
- Neon (Ne)
Elements 11-20
- Sodium (Na)
- Magnesium (Mg)
- Aluminum (Al)
- Silicon (Si)
- Phosphorus (P)
- Sulfur (S)
- Chlorine (Cl)
- Argon (Ar)
- Potassium (K)
- Calcium (Ca)
Elements 21-30
- Scandium (Sc)
- Titanium (Ti)
- Vanadium (V)
- Chromium (Cr)
- Manganese (Mn)
- Iron (Fe)
- Cobalt (Co)
- Nickel (Ni)
- Copper (Cu)
- Zinc (Zn)
Key Terms & Definitions
- Element — Pure substance consisting of one type of atom distinguished by atomic number.
- Atomic Number — The number of protons in an atom's nucleus, defining the element.
- Symbol — One or two letter abbreviation representing an element on the Periodic Table.
Action Items / Next Steps
- Memorize the names, symbols, and atomic numbers of elements 1–30 for quizzes or exams.
- Practice with flashcards to reinforce recall.