Chemistry Period 1

3. a mutual attraction between two atoms
5. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound
8. a positively charged ion
9. bond a chemical bond in which three pairs of electrons are shared between two atoms
10. forces force that holds together the atoms making up a molecule or compound
11. bond a chemical bond in which two pairs of electrons are shared between two atoms
13. attraction electrostatic interaction between electrically charged particles
16. bond a chemical bond in which one atom loses an electron to form a positive ion
17. bond a chemical bond in which one pair of electrons is shared between two atoms
18. a set of chemical symbols showing the elements
20. bond a chemical bond in which electrons are shared over many nuclei and electronic conduction occurs
21. dot structures diagrams that show the bonding between atoms
22. lattice the symmetrical three-dimensional arrangement of atoms inside a crystal

1. electron an electron in the outer shell of an atom which can combine with other atoms to form molecules
2. a negatively charged ion
4. ion is a charged chemical species (ion) composed of two or more atoms
6. pairs valence electron pair without bonding or sharing with other atoms
7. forces forces of attraction or repulsion which act between neighboring particles
12. an atom with electric charge due to the loss or gain of one or more electrons
14. bond a chemical bond that involves sharing a pair of electrons between atoms in a molecule
15. name et of rules to generate systematic names for chemical compounds
19. stable group of eight electrons occupying a single shell in an atom