Vocabulary

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Across
  1. 2. area around the nucleus of an atom where the atom’s electrons are most likely to be found
  2. 4. sum of the number of protons and neutrons in an atom’s nucleus
  3. 6. a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms
  4. 8. chemical element that mostly lacks the characteristics of a metal.
  5. 9. monatomic metal cation and a monatomic nonmetal anion
  6. 12. number of protons in an atom’s nucleus
  7. 16. way of presenting information about the chemical proportions of atoms
  8. 19. fewer electrons than protons
  9. 20. charged particle that has either more or fewer electrons than protons
  10. 21. indicate the number of atoms of the element immediately
  11. 23. column of elements in the periodic
  12. 26. particles surrounding the center of an atom that have a change of -1
  13. 27. atom or molecule or group that has lost or gained one or more electrons
  14. 28. row of chemical elements.
  15. 29. atoms of the same element that have different numbers of neutrons
  16. 30. neutral particle, composed of quarks, inside the nucleus of an atom.
  17. 32. outer shell electron that is associated with an atom
  18. 33. region of space, throughout which all physical properties of a material are essentially uniform.
Down
  1. 1. Cation, atom or group of atoms that bears a positive electric charge.
  2. 3. distribution of electrons of an atom or molecule in atomic or molecular orbitals.
  3. 5. specific patterns in the properties of chemical elements
  4. 7. complete transfer of valence electrons 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. 10. formation of a chemical bond between two or more atoms
  6. 11. the mass of an atom of a chemical element expressed in atomic mass units.
  7. 13. an element (e.g. arsenic, antimony, or tin) whose properties are intermediate between those of metals and solid nonmetals or semiconductors.
  8. 14. particle, composed of quarks, inside the nucleus of an atom
  9. 15. an element that readily forms positive ions (cations) and has metallic bonds.
  10. 17. The smallest particle of an element that still retains the properties of the element.
  11. 18. chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds.
  12. 22. whose lightest members are represented by helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, and fluorine as arranged in the periodic table of the elements.
  13. 24. tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties.
  14. 25. vertical column of the periodic table tabular display of the chemical elements
  15. 31. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.