Across
- 3. neither positive nor negative
- 4. the property of matter that is responsible for electrical phenomena, existing in a positive or negative form
- 6. the electrons in the outermost shell, or energy level, of an atom
- 10. simplified drawings of how valence electrons are arranged around atoms in a molecule
- 12. the amount of matter
- 16. an atom that has an equal number of protons and electrons, resulting in a neutral or zero electric charge
- 17. an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups")
- 18. a stable subatomic particle with a positive electric charge
- 20. mass is neither created nor destroyed in chemical reactions
Down
- 1. result from the attraction between oppositely charged ions
- 2. the release of energy from the decay of the nuclei of certain kinds of atoms and isotopes
- 5. relating to or denoting chemical bonds formed by the sharing of electrons between atoms
- 7. substance's mass per unit of volume
- 8. a chemical element that mostly lacks distinctive metallic properties
- 9. the tendency of an atom to attract electrons in a molecule
- 11. a subatomic particle with a negative electric charge
- 13. the ability of a solid, liquid, or gaseous chemical substance to dissolve in solvent and form a solution
- 14. elements that are typically shiny, hard, and good conductors of heat and electricity
- 15. the interatomic linkage that results from the sharing of an electron pair between two atoms
- 19. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons