Chemistry Word Search Puzzles

Chemistry Word Searches

All items below are categorized by their difficulty level and target audience so you can pick the perfect level of fun and education. We put them in alphabetical order and show the words hidden in the grid so you can quickly page through the list and find one that meets your needs. The words can be in several directions or only forward and down if you need something for the youngsters.

To view or print a Chemistry word search puzzle click on its title. Once you've clicked a title you see a link to separate answer grid page with hints for the teachers that show where the words start. Our most important instruction is that we want you to be sure to have fun while you learn!!!

Title	Instructions / Description	Puzzle Words	Difficulty	Word Direction
Acids and Alkalis		ACID, ALKALI, AQUEOUS, BALANCED, BASE, BURETTE, CONCENTRATED, CRYSTALLISATION, DILUTE, EFFERVESCENCE, FILTER, INDICATOR, NEUTRAL, PIPETTE, PRECIPITATE, REACTIVITY, SALT, SOLUTION, TITRATION, UNIVERSAL	Hard	Forward, Backward, Diagonal
Acids and Bases	Find the words	ACIDS, ALKALI, AMMONIA, BAKING SODA, BASES, BLEACH, DISTILLED WATER, EXPERIMENT, GOGGLES, JUICES, LAB COAT, LEMON JUICE, LITMUS PAPER, MIXTURE, NEUTRALISATION, PH SCALE, PROTEIN, REACTION, SALT, SOLUTION, URINE, VITAMIN, WATER	Hard	Forward, Backward, Diagonal
Biochemistry		AMINO ACIDS, CARBOHYDRATES, CARBON, CELL MEMBRANE, COMPLEX CARBOHYDRATES, DNA, ENZYMES, FATTY ACID, HYDROGEN, LIPIDS, MACROMOLECULES, MONOMERS, MONOSACHARIDES, NUCLEIC ACID, NUCLEOTIDES, OXYGEN, POLYMERS, POLYUNSATURATED, PROTEIN, RNA, SATURATED	Hard	Forward, Backward, Diagonal
Chemical and Physical Changes		ATOM, BOILING POINT, CONCENTRATION, CONSERVATION OF MATTER, DENSITY, ELECTRON, ENDOTHERMIC, EXOTHERMIC, FREEZING POINT, MELTING POINT, NEUTRON, PROTON, SOLUBILITY	Big	Forward, Backward, Diagonal
Chemical Composition		ACETATE, AMMONIA, AMU, ATOMIC MASS, ATOMS, AVAGADRO, CARBONATE, CHLORATE, COMPOSITION, COMPOUND, EMPIRICAL FORMULA, FORMULA WEIGHT, GRAM, HYDROXIDE, MOLAR MASS, MOLE, MOLECULAR FORMULA, MOLECULE, NITRATE, PERCENT, PHOSPHATE, SIGNIFICANT FIGURES, SULFATE, WEIGHT	Teenage	Forward, Backward, Diagonal
Chemical Properties		ABILITY TO DECOMPOSE, BURNING, CHEMICAL, COMBUSTION, CORRODE, FLAMABLE, FOAMING, GAS BUBBLES, OXIDATION, PRECIPITATE, REACT, REACTIVITY, RUSTING	Older Children	Forward, Backward, Diagonal
Chemical Properties of Matter		BURNING, FLAMMABILITY, REACTIVITY WITH ACID, REACTIVITY WITH OXYGEN, REACTIVITY WITH WATER, RUSTING, TARNISHING	Older Children	Forward, Backward, Diagonal
Chemical Reaction	Loop the words that are associated with the chemical reaction	ACTIVATION ENERGY, CATALYSTS, CHEMICAL EQUATION, CHEMICAL REACTIONS, COLLISION, COMBUSTION, CONSERVATION, CORROSION, DECOMPOSITION, EQUILIBRIUM, FIRE, HEAT, LAVOSIER, METATHESIS, PRODUCTS, REACTANTS, REACTION RATE, REPLACEMENT, SYNTHESIS	Big	Forward, Backward, Diagonal
Chemical Reactions		ACIDS, BASES, CHEMICAL CHANGE, CHEMICAL PROPERTIES, CHEMICAL REACTION, ENERGY, GAS, INDICATORS, LIGHT, MIXTURES, NEUTRAL, PH SCALE, PHYSICAL CHANGE, PHYSICAL PROPERTIES, SYMBOLIC EQUATION, WORD EQUATION	Teenage	Forward, Backward, Diagonal
Chemical Reactions		BAKINGSODA, BUBBLES, BURN, CHANGE, CHEMICAL, COLOR, COMBUSTION, DECOMPOSITION, DOUBLE, ENERGY, GAS, HEAT, IMPOSSIBLE, IRON, LIGHT, ODOR, REACTION, REVERSED, RUST, SINGLE, SLIME, SOLID, SOLUTION, SOUND, SYNTHESIS	Easy	Forward, Backward, Diagonal
Chemical Reactions and Solutions		ACID, ALLOY, BASE, BOND ENERGY, CATALYST, CHEMICAL REACTION, COEFFICIENT, CONCENTRATION, DILUTE, ENDOTHERMIC REACTION, EXOTHERMIC REACTION, LAWOFCONSERVATIONOFMASS, NEUTRAL, PH, PHOTOSYNTHESIS, PRECIPITATE, PRODUCT, REACTANT, RESPIRATION, SATURATED, SOLUBILITY, SOLUTE, SOLUTION, SOLVENT, SUSPENSION	Big	Forward, Backward, Diagonal
CHEMISTRY	FIND EACH OF THE WORDS HIDDEN IN THIS PUZZLE. WORDS CAN GO HORIZONTALLY, VERTICALLY, AND DIAGONALLY. WORDS MAY OVERLAP AND SHARE 1 OR MORE LETTERS.	ACTINIUM, ALUMINUM, AMERICIUM, ANTIMONY, ARGON, ARSENIC, ASTATINE, BARIUM, BERKELIUM, BERYLLIUM, BISMUTH, BORON, BROMINE, EINSTEINIUM, ERBIUM, EUROPIUM, FERMIN, FLUORINE, FRANCIUM, GADOLINIUM, GALLIUM, GERMANIUM, GOLD, HAFNIUM, HELIUM, HOLMIUM, MERCURY, MOLYBDENUM, NEODYMIUM, NEON, NEPTUNIUM, NICKEL, NIOBIUM, NITROGEN, OSMIUM, OXYGEN, PALLADIUM, PHOSPHORUS, SAMARIUM, SCANDIUM, SELENIUM, SILICON, SILVER, SODIUM, STRONTIUM, SULPHUR, TANTALUM, TECHNETIUM, TELLURIUM, TERBIUM	Very Difficult	Forward, Backward, Diagonal
Chemistry		ACIDIC, BASIC, CARBON DIOXIDE, CHEMISTRY, COMPOUND, DISTILLATION, ELEMENTS, EMULSION, FILTERING, FLUIDS, GAS, HETEROGENEOUS, HOMOGENEOUS, HYDROGEN, LIQUID, MATTER, MIXTURE, OXYGEN, SEPARATING, SIEVE, SOLID, SOLUABLE, SOLUTION, SOLVENT, SORTING	Teenage	Forward, Backward, Diagonal
Chemistry		BOILING, CELCIUS, CHANGE, CHARGE, CONDENSATION, CUBIC CENTIMETER, DECIBELS, DEGREES, EARTH, ELECTRICAL, ELECTRICITY, ENERGY, EVAPORATION, FAHRENHEIT, FORCE, FREEZING, GAS, GRADUATED CYLINDER, GRAVITY, HEAT, KINETIC, LIGHT, LIGHTNING ROD, LIQUID, MASS, MATTER, MEASURE, MECHANIC, MELTING, MILLILETER, MOVE, PAN BALANCE, PHYSICAL PROPERTY, POTENTIAL, PULL, PUSH, SOLID, SOUND, SUNLIGHT, TEMPERATURE, TEXTURE, THERMOMETER, VOLUME	Older Children	Forward Only
Chemistry		AMMONIA, CARBONDIOXIDE, CHEMICALEQUATIOIN, CHEMICALREACTION, COLORCHANGE, COMPOUND, CONSERVATIONOFMASS, ELEMENT, ENDOTHERMIC, EXOTHERMIC, HYDROGEN, MOLECULE, OXYGEN, PRECIPITATE, PRODUCTS, REACTANTS, SUBSCRIPT	Teenage	Forward, Backward, Diagonal
CHEMISTRY		ADOPTIONCOUNSELLOR, BUSDRIVER, CHILDCARESUPERVISOR, CHILDIETITIAN, CHILDPHOTOGRAPHER, CHILDPSYCHOLOGIST, FAMILYTHERAPIST, KINDERGARTENTEACHER, MENTALHEALTHWORKER, MIDWIFE, NANNY, NURSE, PARENTEDUCATOR, PEDIATRICDENTIST, PEDIATRICDOCTOR, PEDIATRICNURSE, PLAYGROUNDASSISTANT, PLAYTHERAPIST, PRESCHOOLTEACHER, SOCIALWORKER	Hard	Forward, Backward, Diagonal
Chemistry		ALLOY, ATOMIC NUMBER, COMPLEXES, CYANOGENIC, ELEMENTAL CRYSTALS, HALIDES, LATTICE ENERGIES, MARTIN, METALLOID, REICHENSTEIN, SILVERYWHITE, TELLURIUM, TRANSYLVANIA	Teenage	Forward, Backward, Diagonal
Chemistry		ANION, BOND, CATION, CHEMICALBOND, CHEMISTRY, COMPOUND, COVALENT, ELECTRON, ELECTRONCLOUD, ELEMENT, FORMULA, HALOGENS, ION, IONIC, LEWISDOT, METAL, METALLIC, MOLECULE, NEGATIVE, NEUTRON, NOBLEGAS, NONMETAL, NONPOLAR, OCTET, POLAR, POSITIVE, PROTON, SCIENCE, SHARE, STEAL, VALENCE	Teenage	Forward, Backward, Diagonal
Chemistry		ATOM, BINARY, BOHR, BOND, CHARGE, CHART, COMPOUND, CROSSOVER, DALTON, DEMOCRITUS, DIATOMIC, ELEMENTS, FORMULA, GOGGLES, GROUP, IONIC, LABORATORY, MENDELEYEV, METALLOIDS, METALS, MOLECULAR, MOLECULE, NONMETALS, NUCLEUS, PERIOD, PERIODICTABLE, POLYATOMIC, RUTHERFORD, SHELL, SUBSCRIPT, SYMBOL, TESTTUBE, THERMOMETER, THOMPSON, VALENCE	Teenage	Forward, Backward, Diagonal
Chemistry		ALKALI, ATOM, AVERAGE, BLUE, BROMINE, CENTER, COLOR, COLUMN, COMPOUND, EARTH, ELEMENT, ENERGY, FIGURE, FOUND, GENERAL, GOLD, GREEN, GROUP, HALOGEN, LEVEL, LIQUID, MASS, MERCURY, METAL, NONMETAL, NUMBER, OCCUPIED, PERIODIC, POTASSIUM, SALT, SHADE, SODIUM, SOLID, SQUARE, STRUCTURE, SYMBOL, TABLE, TEMPERATURE, VERTICAL, WORD	Teenage	Forward, Backward, Diagonal
Chemistry		AIR, CHEMICAL, CLAIM, COMPOUND, CONSTRICT, CONTRACT, ELEMENT, ENERGY, EVIDENCE, EXPAND, GAS, HYDROGEN, LIQUID, MATTER, MIXTURE, OXYGEN, PARTICLE, PHYSICAL, REASONING, SOLID, SOLUTION, SUBSTANCE	Big	Forward, Backward, Diagonal
Chemistry		ALKALI EARTH, ALKALI METAL, ANION, ATOM, BRITTLE, CARBON, CATION, COMPOUND, CONCENTRATION, CONDUCTORS, CONSERVATION OF MASS, DIAMOND, DUCTILE, ELECTROLYSIS, ELECTRON, ELECTRON CONFIGURATION, ELECTRON SHELL, ELEMENT, EQUATION, FORMULA, GOLD, GROUP, HELIUM, INSULATORS, ION, LATTICE, MALLEABLE, METAL, METALLOID, MOLECULE, NEUTRON, NOBLE GASES, NON METAL, NON SOLUBLE, NUCLEUS, OXYGEN, PERIOD, PERIODIC TABLE, PRECIPITATE, PRODUCT, PROTON, REACTANT, REACTION, REACTIVE, REARRANGE, SOLUBLE, TRANSITION METALS, TRENDS, VALENCY, ZINC	Hard	Forward Only
Chemistry		ACETAMINOPHEN, ALBUMIN, ALCOHOL, AMYLASE, BILIRUBIN, BLOOD GAS, CALCIUM, CARBONATE, CHLORIDE, CHOLESTEROL, CREATININE, GLUCOSE, LACTATE, LIPASE, MAGNESIUM, PHOSPHORUS, POTASSIUM, SODIUM	Big	Forward, Backward, Diagonal
Chemistry		BOND, CHEMISTRY, COMBUSTION, COMPOUND, COVALENT, DECOMPOSITION, DOUBLE REPLACEMENT, ELEMENT, ENDOTHERMIC, EXOTHERMIC, IONIC, REACTION, SINGLE REPLACEMENT, SYNTHESIS	Hard	Forward, Backward, Diagonal
Compounds		ACETIC ACID, AMMONIA, ASPIRIN, BONDS, CARBON DIOXIDE, CHEMICAL FORMULA, COMPOUND, COVALENT, DIHYDROGEN OXIDE, ELECTROLYSIS, ELECTRONS, EXCHANGING, HYDROGEN PEROXIDE, IONIC, IONS, METALS, METHANE, MOLECULAR, NONMETALS, POTASSIUM CHLORIDE, PROPANE, SHARING, SODIUM BICARBONATE, SODIUM CHLORIDE, SODIUM HYDROXIDE	Hard	Forward, Backward, Diagonal
Compounds and Mixtures		AMINO ACIDS, ATO M, CARBOHYDRATES, CHARGED ATOMS, CHEMISTRY, COMPOUND, COVALENT BOND, CRYSTAL, ELEMENTS, ETHANE, HYDROGEN, ION, IONIC BOND, LIPIDS, MATTER, MIXTURE, MOLRCULE, NEGATIVE, NEUTRAL ATOMS, NUCLEIC ACIDS, OXYGEN, POLYMERS, POSITIVE, PROTEINS, SILICON DIOXIDE, TRIPLE BOND, VALENCE ELECTRONS	Big	Forward, Backward, Diagonal
Dynamic Equilibrium		CONCENTRATION, CONSTANT, DYNAMICE, ENTROPY, HETEROGENEOUS, HOMOGENEOUS, IMMISCIBLE, INDUSTRIA, LREACTION, PARTIAL, PRESSURE, PRODUCT, QUILIBRIUM, REACTANT, REVERSIBLE, SOLVENT	Older Children	Forward, Backward, Diagonal
Elements		BAKE, BEND, CUT, DENSITY, MELT, MIXING, OXIDIZE	Teenage	Forward, Backward, Diagonal
Elements		ALUMINIUM, ARGON, ARSENIC, BERYLLIUM, BORON, CADMIUM, CALCIUM, CARBON, CHLORINE, CHROMIUM, COBALT, COPPER, FLUORINE, GOLD, HELIUM, HYDROGEN, IODINE, IRON, LEAD, LITHIUM, MAGNESIUM, MANGANESE, MERCURY, NEON, NICKEL, NITROGEN, OXYGEN, PHOSPHORUS, PLATINUM, POTASSIUM, SILICON, SILVER, SODIUM, SULFUR, TIN, TITANIUM, TUNGSTEN, URANIUM, ZINC	Hard	Forward Only
Elements of the Periodic Table		ANTIMONY, ARGON, ARSENIC, BERYLLIUM, BISMUTH, BORON, BROMINE, CADMIUM, CARBON, CHLORINE, CHROMIUM, COBALT, COPPER, FLUORINE, GOLD, IODINE, IRON, KRYPTON, LEAD, MERCURY, NEON, NICKEL, OXYGEN, PHOSPHORUS, PLATINUM, POTASSIUM, RADIUM, SILICON, SILVER, SODIUM, SULFUR, TIN, XENON, ZINC	Hard	Forward, Backward, Diagonal
FIRST 10 ELEMENTS	CIRCLE THE ELEMENTS	BERYLLIUM, BORON, CARBON, FLOURINE, HELIUM, HYDROGEN, LITHIUM, NEON, NITROGEN, OXYGEN	Teenage	Forward Only
First 10 Elements	Use the Symbols to answer the Crossword	BERYLLIUM, BORON, CARBON, FLUORINE, HELIUM, HYDROGEN, LITHIUM, NEON, NITROGEN, OXYGEN	Big	Forward, Backward, Diagonal
First 10 Elements	Locate the first 10 Elements then write the symbol next to the words in the list	BERYLLIUM, BORON, CARBON, FLUORINE, HELIUM, HYDROGEN, LITHIUM, NEON, NITROGEN, OXYGEN	Big	Forward, Backward, Diagonal
First 20 Elements		ALUMINUM, ARGON, BERYLLIUM, BORON, CARBON, CHLORINE, FLUORINE, HELIUM, HYDROGEN, LITHIUM, MAGNESIUM, NEON, NITROGEN, OXYGEN, PHOSPHORUS, POTASSIUM, SILICON, SODIUM, SULFUR	Big	Forward, Backward, Diagonal
Fundamentals of Chemistry		ALKALI, ATOM, CHROMATOGRAPHY, COMPOUND, CRYSTALLISATION, DISTILLATION, ELECTRON, ELEMENT, FILTRATION, GROUP, HALOGEN, MASS, METAL, NEUTRON, NOBLE, NUCLEUS, NUMBER, PERIODIC, PRODUCT, PROTON, REACTANT, SHELL, SOLUTION, STATE, SYMBOL, TABLE, TRANSITION	Older Children	Forward, Backward, Diagonal
Heat and Temperature		ABILITY, BALANCE, BODY, BOILING, CHANGE, COLD, COMPARED, CONDITION, CONVEY, COOLER, CORRECT, DEGREE, ENERGY, EQUILIBRIUM, FIXED, FLAME, FLOW, FREEZING, GREATER, HEAT, HIGHER, HOT, ICE, IMPRESSION, INSTRUMENT, INTENSITY, KELVIN, MEASURE, MOLECULE, MOVING, POINT, QUANTITY, RAPIDLY, REACH, SCALE, SPECIFIC, SUBSTANCE, SUN, TEMPERATURE, THERMOMETER, TIME, TRANSFER, UNIT, WARMER, WATER	Jumbo	Forward, Backward, Diagonal
Ideal Gasses and Thermal Properties		ABSOLUTE ZERO, BOURDON PRESSURE GAUGE, BOYLE S LAW, CELSIUS, CHARLES LAW, DEPENDENT VARIABLE, DIFFUSION, GENERAL GAS EQUATION, IDEAL GAS, INDEPENDENT VARIABLE, KELVIN, KILOPASCAL, KINETIC ENERGY, KINETIC MODEL, KINETIC THEORY, PRESSURE, STP, TEMPERATURE, UNIVERSAL GAS KONSTANT, VOLUME	Big	Forward, Backward, Diagonal
Introduction to Chemistry		CHEMICAL, COMPOUND, ELEMENT, HETEROGENEOUS, HOMOGENEOUS, MIXTURE, PHYSICAL, PURE, SEPARATION, SUBSTANCE	Teenage	Forward, Backward, Diagonal
Isotope Chemistry		ATOM, BREAK, CALCULATION, CARBON, COMMON, COMPOSED, CORRECT, DECAY, EARTH, ELECTROMAGNETIC, ELEMENT, FORM, ISOTOPE, MASS, NATURAL, NEUTRON, NITROGEN, NUCLEUS, NUMBER, PROPORTION, PROTON, RADIATION, RADIOACTIVE, RADIOACTIVITY, RELATIVE	Big	Forward, Backward, Diagonal
Liquids and Gases		AIR, ATMOSPHERE, ATOM, BOILING, BONDS, CARBONDIOXIDE, CONDENSATION, CONVECTION, DENSE, DENSITY, ENERGY, EVAPORATION, FLUID, FREEZING, GAS, HEAT, INTERMOLECULAR, LIGHT, LIQUIDS, MASS, MELTING, MOLECULES, OXYGEN, SOLIDS, VOLUME, WEIGHT	Big	Forward, Backward, Diagonal
Metal		ALUMINUM, ANTIMONY, ARGON, ARSENIC, BARIUM, BERYLLIUM, BORON, CARBON, CHLORINE, COPPER, GERMANIUM, HELIUM, HYDROGEN, IODINE, LITHIUM, MERCURY, NEON, OSMIUM, PLUTONIUM, POLONIUM, RADIUM, RADON, SELENIUM, SILICON, SULFUR, TELLURIUM, TIN, TITANIUM, TUNGSTEN, URANIUM	Big	Forward, Backward, Diagonal
Metals and Non-Metals		ACID, BRITTLE, CHEMICAL, CONDUCTOR, DENSITY, DUCTILE, ELEMENTS, GAS, INSULATOR, LIQUID, MALLEABLE, METALLOIDS, METALS, NONMETALS, PERIODIC TABLE, PHYSICAL, PRESSURE, PROPERTIES, ROOM TEMPERATURE, SHINY, SOLID, SONOROUS	Big	Forward, Backward, Diagonal
Minerals & Power Resources Geography	Word Search	ALUMINUM, BAUXITE, CALCIUM, CRUST, IGNEOUS, MAGNESIUM, METAMORPHIC, MINING, ORE, POTASSIUM, SILICATES, SODIUM, ZINC	Big	Forward, Backward, Diagonal
Mixtures and Solutions		ALCOHOL, COMPOUNDS, DISSOLVES, IMPURE, INSOLUBLE, MIXTURE, PARTICLES, PROPERTIES, PURE, SATURATED, SOLUBILITY, SOLUBLE, SOLUTE, SOLUTION, SOLVENT, TEMPERATURE, WATER	Big	Forward, Backward, Diagonal
Mixtures Word		CHROMATOGRAM, CHROMATOGRAPHY, DISSOLVING, DISTILLATION, EVAPORATION, FILTRATION, INSOLUBLE, MAGNETISM, MIXTURE, RESIDUE, SIEVING, SOLUBLE, SOLUTE, SOLVENT, TEMPERATURE	Hard	Forward, Backward, Diagonal
Molar Quantities		ACETATE, AMMONIA, AMU, ATOMIC MASS, ATOMS, AVAGADRO, CABONATE, CHLORATE, COMPOSITION, COMPOUND, EMPIRICAL FORMULA, FORMULA WEIGHT, GRAM, HYDROXIDE, MOLAR MASS, MOLE, MOLECULAR FORMULA, MOLECULE, NITRATE, PERCENT, PHOSPHATE, SIGNIFICANT FIGURES, SULFATE, WEIGHT	Teenage	Forward and Backward
Nonmetal and Metalloid Elements		ANTIMONY, ARGON, ARSENIC, ASTATINE, BORON, BROMINE, CARBON, CHLORINE, FLURINE, GERANIUM, HELIUM, HYDROGEN, IODINE, KRYPTON, NEON, NITROGEN, OXYGEN, PHOSPHORUS, POLINIUM, RADON, SELENIUM, SILICON, SULFUR, TELLURIUM, XENON	Hard	Forward, Backward, Diagonal
Nuclear Chemistry		APPLIED, ARTIFICIALLY, ATOM, CHEMICAL, CHEMISTRY, COLLIDE, CONSIDERED, DECAY, ELECTRON, EMPLOYED, ENERGY, EVENT, FISSION, FUSION, GENERATOR, HIGH, INDUCED, INITIAL, MEET, NATURAL, NUCLEAR, NUCLEI, NUCLEUS, OCCUR, PARTICLE, PLACE, PLUTONIUM, POWER, PROBABILITY, PROCESS, PRODUCE, PRODUCT, PROTON, RADIOACTIVE, RADIOISOTOPE, RARE, RATE, RAYS, REACT, SPONTANEOUS, STAR, SUBATOMIC, SUN, TERM, THING, TIME, TYPE	Very Difficult	Forward, Backward, Diagonal
Nuclear Chemistry		ALPHA PARTICLE, BETA PARTICLE, CHAIN REACTION, CONTROL RODS, DAUGGHTER NUCLIDES, DECAY SERIES, ELECTRON CAPTURE, FILM BADGES, FISSION, FUSION, GAMMA RAYS, HALF LIFE, MAGIC NUMBERS, MASS DEFECT, MODERATOR, NUCLEAR REACTION, NUCLEONS, NUCLER RADIATION, NUCLIDE, PARENT NUCLIDE, POSITRON, RADIOACTIVE DECAY, RADIOACTIVE NUCLIDE, SHIELDING, TRANSMUTATION	Hard	Forward, Backward, Diagonal
Nuclear Chemistry		ALPHA, BETA, CURIE, FISSION, FUSION, GAMMA, GEIGER, HALFLIFE, IONIZING, NEUTRINO, NUCLEIDE, POSITRON, RADIATION, RADIOISOTOPE, STABILITY, TRANSMUTATION, TRANURANIUM	Hard	Forward, Backward, Diagonal
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