chemistry crossword puzzle with asnwer
TRANSCRIPT
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Chemistry Crossword Puzzle
Down2. A bond that results from the sharing of electron pairs between two atoms.
(2WORDS) Covalentbond3. A positive ion; an atom or group of atoms that has lost one or more electrons.
cation6. A measure of the intensity of heat, i.e. the hotness or coldness of a sample. or
object.Temperature7. Name for elements 90 to 103 in periodic table. Actinides8. A subatomic particle with a positive charge.Proton10. Method using electric current to split up substances into elements. Electrolysis11. The substance that oxidizes another substance and is reduced.(2 WORDS)
Oxidizingagent12. Helium, neon, and krypton belong in this group of elements(2 WORDS) Noblegas13. A subatomic particle with a negative charge. Electron14. A unit describing the amount of substance. Mole19. A reaction that gets warmer becasue it gives off heat energy from the
surroundings.Exothermic24. A vertical column of elements in the periodic table. Group
Across
1. The substances that react in chemical change. Reactant
4. Describes the order in which electrons fill orbitals in atoms. (2 WORDS) Aufbauprincple
5. A reaction to which water is added. Hydration
9. An electron in the outermost energy level of an atom. (2 WORDS) Valenceelectron
15. Element with atomic number of 1. Hydrogen
16. The substance that reduces another substance and is oxidized.(2 WORDS) Reducingagent
17. An atom or a group of atoms that carries an electric charge. Ion
18. Scientific study of interaction of chemical substances that are constituted of atoms or the subatomic particles. Chemistry
20. The smallest particle of an element. Atom
21. A negative ion; an atom or group of atoms that has gained one or more electrons. Anion
22. The center of the atom. Nucleus
23. A region in an atom where there is a high probability of finding electrons. Orbital
25. Attraction between positive and negative ions (2 words) Ionicbond
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