Useful Chemistry Words

1234567891011121314151617181920
Across
  1. 4. - composed of two or more parts, elements, or ingredients:
  2. 7. - the state or fact of remaining the same one or ones, as under varying aspects or conditions
  3. 8. - without variations in detail
  4. 11. - an essential or distinctive attribute or quality of a thing
  5. 14. - a distinguishing feature or quality.
  6. 15. - a fundamental arrangement of atoms, as the benzene ring, that may occur in many compounds by substitution of atoms without a change in structure.
  7. 17. - that of which a thing consists; physical matter or material
  8. 18. - the smallest physical unit of an element or compound, consisting of one or more atoms in an element and two or more different atoms in a compound.
  9. 19. - one of a class of substances that cannot be separated into simpler substances by chemical means.
  10. 20. - of, relating to, or forming a nucleus.
Down
  1. 1. - the act of combining parts or elements to form a whole.
  2. 2. - one of the extremely small constituents of matter, as an atom or nucleus.
  3. 3. - the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical attraction; the number of protons determines the identity of the element.
  4. 5. - an elementary particle having no charge, mass slightly greater than that of a proton, and spin of ½: a constituent of the nuclei of all atoms except those of hydrogen. Symbol: n
  5. 6. - existing as free, uncombined atoms.
  6. 9. - a positively charged elementary particle that is a fundamental constituent of all atomic nuclei. It is the lightest and most stable baryon, having a charge equal in magnitude to that of the electron, a spin of ½, and a mass of 1.673 × 10-27 kg. Symbol: P
  7. 10. - the action or reaction of any material under given circumstances
  8. 12. - an aggregate of two or more substances that are not chemically united and that exist in no fixed proportion to each other.
  9. 13. - a basic principle, rule, law, or the like, that serves as the groundwork of a system; essential part
  10. 16. - an elementary particle that is a fundamental constituent of matter, having a negative charge of 1.602 × 10−19 coulombs, a mass of 9.108 × 10−31 kilograms, and spin of ½, and existing independently or as the component outside the nucleus of an atom.