Halogens Word Search

Illustrated Halogens scene — AI-generated artwork behind this topic's word search puzzle
Illustrated Halogens scene — AI-generated artwork behind this topic's word search puzzle

Play a Halogens word search free online. We built the 12-word list around the terms and ideas of a school subject, then scattered it across a 15×15 grid — horizontal, vertical and diagonal. Find them all to clear the board.

Words to find: HALOGEN, FLUORINE, CHLORINE, BROMINE, IODINE, ASTATINE, TENNESSINE, HALIDE, VALENCE, ATOM, ELEMENT, PERIODIC.

Found words stay highlighted, so the grid gets easier to read as you go and the final few tend to fall quickly.

Halogens word list, defined

General dictionary meanings, not specific to this puzzle's theme.

HALOGEN /ˈhælədʒən/ · noun
A halogen is any of the seventeen elements in Group 17 of the periodic table, characterized by a strong tendency to gain electrons and form salts with metals. The term is also used attributively for a halogen lamp or related lighting technology.
FLUORINE /ˈflʊəriːn/ · noun
A highly reactive, pale yellow, poisonous gaseous chemical element with atomic number 9 and symbol F, the lightest member of the halogen group.
CHLORINE /ˈklɔːriːn/ (UK), /ˈklɔːrɪn/ (US) · noun
A chemical element (symbol Cl, atomic number 17): a toxic, pale-green gaseous halogen with a pungent odor, used chiefly to disinfect water and to manufacture bleaches and other chemicals.
BROMINE /ˈbroʊmiːn/ · noun
A deep red, fuming, highly reactive liquid halogen element (symbol Br, atomic number 35) used chiefly in flame retardants, dyes, and photography. Related: halogen, element, chemical.
IODINE /ˈaɪədiːn/ · noun
Iodine is a chemical element and halogen represented by the symbol I; in common use, the term also refers to a brownish solution or compound used as an antiseptic. It occurs naturally in seawater, rocks, and living organisms, and is essential in small amounts for thyroid function. Related: iodin, iodic acid, iodide.
ASTATINE /ˈæstətiːn/ · noun
Astatine is a highly radioactive chemical element with atomic number 85, the rarest naturally occurring element in the Earth's crust. It is a member of the halogen group and exists only in trace amounts, with no stable isotopes.
HALIDE /ˈhælaɪd/ · noun
A chemical compound in which a halogen is combined with another element, especially a metal, metalloid, or other electropositive element. In an ionic context, the term may also refer to a negatively charged halogen ion. Related: halogen compound, binary halogen compound, salt of a halogen.
VALENCE /ˈvæləns/ · noun
In chemistry, valence is the combining capacity of an atom, determined by the number of electrons it can gain, lose, or share in forming chemical bonds. More generally and in specialized linguistic use, it can refer to attractive quality or to the number and kinds of grammatical elements with which a word can combine. Related: valency, combining capacity, bonding capacity, appeal.
ATOM /ˈætəm/ · noun
The smallest unit of an element that retains the chemical properties of that element, consisting of a nucleus of protons and neutrons orbited by electrons. More broadly, the tiniest conceivable particle or amount of something. Related: particle, molecule, unit, speck.
ELEMENT /ˈɛlɪmənt/ · noun
A fundamental or essential part of something larger; in chemistry and physics, a substance consisting of atoms all with the same atomic number that cannot be broken down into simpler substances by ordinary chemical means. Related: component, constituent, ingredient, factor.
PERIODIC British /ˌpɪə.rɪˈɒd.ɪk/; US /ˌpi.əˈrɑː.dɪk/ · adjective
Occurring at regular intervals or according to a recurring pattern; cyclical. In technical contexts, it can also mean relating to a recurring cycle, especially in mathematics, science, or chemistry. Related: regular, recurrent, recurring, cyclical.

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