Here are the first 30 elements of the periodic table, along with their atomic symbols and atomic masses (rounded to the nearest whole number):
- Hydrogen (H) - Atomic Mass: 1
- Helium (He) - Atomic Mass: 4
- Lithium (Li) - Atomic Mass: 7
- Beryllium (Be) - Atomic Mass: 9
- Boron (B) - Atomic Mass: 11
- Carbon (C) - Atomic Mass: 12
- Nitrogen (N) - Atomic Mass: 14
- Oxygen (O) - Atomic Mass: 16
- Fluorine (F) - Atomic Mass: 19
- Neon (Ne) - Atomic Mass: 20
- Sodium (Na) - Atomic Mass: 23
- Magnesium (Mg) - Atomic Mass: 24
- Aluminum (Al) - Atomic Mass: 27
- Silicon (Si) - Atomic Mass: 28
- Phosphorus (P) - Atomic Mass: 31
- Sulfur (S) - Atomic Mass: 32
- Chlorine (Cl) - Atomic Mass: 35
- Argon (Ar) - Atomic Mass: 40
- Potassium (K) - Atomic Mass: 39
- Calcium (Ca) - Atomic Mass: 40
- Scandium (Sc) - Atomic Mass: 45
- Titanium (Ti) - Atomic Mass: 48
- Vanadium (V) - Atomic Mass: 51
- Chromium (Cr) - Atomic Mass: 52
- Manganese (Mn) - Atomic Mass: 55
- Iron (Fe) - Atomic Mass: 56
- Cobalt (Co) - Atomic Mass: 59
- Nickel (Ni) - Atomic Mass: 59
- Copper (Cu) - Atomic Mass: 63
- Zinc (Zn) - Atomic Mass: 65
Note that the atomic masses listed here are approximate values and may vary slightly depending on the source and the isotopic composition of the element.