Chemistry Vocab
Across
- 2. shows the types and numbers of atoms combined inna single molecule of a molecular compound
- 8. ability of a substance to turn into a thin sheet
- 11. result sharing of electron pairs between tow atoms
- 12. neutral group of atoms that are held together by covalent bonds
- 14. an electron-configuration notation in which only the valance electrons of an atom of a particular element are shown, indicated by dots placed around the elements symbols
- 16. chemical bond resulting from attraction between cations and anions
- 18. tells the kind, number, arrangement, and bonds but not the unshared pairs of the atoms in a molecule
- 20. energy required to break a chemical bond and form neutral isolated atoms
- 21. mutual attraction between the nuclei and valance electrons of different atoms that bind them
- 22. bonded atoms have an unequal attraction for the shared electrons
- 23. ability of a substance to be turned into a wire
- 24. bonding electrons equally shared by bonded atoms, balanced electrical charge
Down
- 1. indicates the relative numbers of the atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts
- 3. energy released when one mole of an ionic crystalline compound is formed from gaseous ions
- 4. bonding that results in attraction between metal atoms and surrounding electrons
- 5. composed of positive and negative ions that are combined so that the #'s of positive and negative charges are equal
- 6. multiple covalent bonds
- 7. uneven distribution of charge
- 9. formulas in which atomic symbols represent nuclei and inner-shell electrons, dot-pairs, or dashes between two atomic symbols represent electron pairs in covalent bond sand dots adjacent to only one atomic symbol represent unshared electrons
- 10. charged group of covalently bonded atoms
- 13. bonding in molecules or ions that cannot be correctly represented by a single lewis structure
- 15. chemical compound whose simplest units are molecules
- 17. simplest collection of atoms from which an ionic compounds formula can be written
- 19. covalent bond that shares a pair of electrons