Recap - Build the Table
Part of the Atomic Structure section of Coddy's Chemistry journey. Lesson 36 of 45.
Challenge
Twelve of the first 20 elements are missing from the table. Put each card back using its clue: He, the noble gas with one shell; Li, the alkali metal of period 2; B, the metalloid of period 2; N, 2, 5; F, the most reactive halogen; Ne, 2, 8; Na, 1s² 2s² 2p⁶ 3s¹; Al, the p-block metal of period 3; Si, the metalloid of computer chips; Cl, the halogen in period 3; Ar, 2, 8, 8; K, the alkali metal in period 4.
Try it yourself
Periodic tablePut each card in its cell
All lessons in Atomic Structure
1Matter and Atoms
What Everything Is Made OfElements, Compounds, MixturesChemical SymbolsCounting Atoms in a FormulaRecap - Molecule Kit2Models of the Atom
Dalton and ThomsonRutherford's Gold FoilThe Nuclear AtomBohr's ShellsRecap - From Ball to Nucleus5The Periodic Table
Mendeleev's PuzzleGroups and PeriodsBlocks: s, p, d, fMetals, Non-metals, MetalloidsAlkali MetalsHalogensNoble GasesRecap - Build the Table