Science Crossword

Edit Answers
123456789101112131415161718192021
Across
  1. 4. the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.
  2. 6. a thing or person that is the result of an action or process.
  3. 10. compounds made up of ions that form charged particles when an atom (or group of atoms) gains or loses electrons
  4. 12. processes in which chemical species break up into simpler parts.
  5. 13. A molecule or polymer with a single backbone the longest continuous chain of atoms bonded to each other, exclusive of all others, that comprise a polymer.
  6. 15. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
  7. 16. a compound or substance that has been purified or prepared, especially artificially.
  8. 18. the mutual sharing of one or more pairs of electrons between two atoms.
  9. 21. a chemical bond formed when one atom gives up one or more electrons to another atom.
Down
  1. 1. describe molecules and polyatomic ions that have one atom in center and four atoms at the corners of a tetrahedron
  2. 2. occur when parts of two ionic compounds are exchanged, making two new compounds.
  3. 3. an action performed or a feeling experienced in response to a situation or event.
  4. 5. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
  5. 7. a kind of molecular geometry in which the central atom has two lone pairs of electrons and is associated with two bond pairs
  6. 8. the basic unit of a chemical element.
  7. 9. a reaction in which one element is substituted for another element in a compound.
  8. 11. consists of a central atom connected to three atoms arranged in a triangular pattern around the central atom.
  9. 14. an arrangement of elements in a particular form, figure, or combination.
  10. 17. the process by which one or more chemical reactions are performed with the aim of converting a reactant or starting material into a product or multiple products.
  11. 19. a substance that takes part in and undergoes change during a reaction
  12. 20. any atom or group of atoms that bears one or more positive or negative electrical charges.