The structure of the periodic table – groups (1)

• cid_basic
• Upper Secondary
• Chemistry
• V. Periodic table
• 18. The periodic table of the elements

Nucleus, structure, water, hydrogen, atom, electron, fluorine, element, magnesium, potassium, molecule, ion, shell, groups, group, gas, chlorine, liquid, chemical bond, vapour, solid, symbol, periodic table, covalent, helium, periodic, table, metal, (1), bromine, diatomic molecule, krypton, non-metal, proton, neon, xenon, light bulb, configuration, valence electron, electron configuration, argon, noble gas, radon, ionic compound, diatomic, valence, alkali, octet, alkali metal, electron shell, halogen, inert gas, reactive, inert, subshell, main group, soft metal, dencity, ioine, rare gas, electron subshell, stable pair, stable octet, magnesium nucleus, valence configuration, The structure of the periodic table - groups (1)