System of elements

• The periodic table is organized by atomic number, which determines the number of protons.
• Atomic mass is determined by adding up the masses of all particles within an atom (protons, neutrons, electrons).
• Elements are arranged into groups based on their properties and behavior.
• H - hydrogen
• He - helium
• Li - lithium
• Be - beryllium
• B - boron
• C - carbon
• N - nitrogen
• O - oxygen
• F - fluorine
• Ne - neon
• Na - sodium
• Mg - magnesium
• Al - aluminum
• Si - silicon
• P - phosphorus
• S - sulfur
• Cl - chlorine
• Ar - argon
• K - potassium
• Ca - calcium
• Sc - scandium
• Ti - titanium
• v vanadium
• Cr - chromium
• Mn - manganese
• Fe - iron
• Co - cobalt
• Ni - nickel
• Cu - copper
• Zn - zinc
• Ga - gallium
• Ge - germanium
• As - arsenic
• Se - selenium
• Br - bromine
• Kr - krypton
• Rb - rubidium