Across
- 3. The number of electrons in the outermost energy level.
- 8. the number of protons and neutrons found of the periodic table.
- 9. Found on the periodic table and represents the number of protons in an atom.
- 10. how the atom is organized
- 11. substance made of atoms, all have the same number of protons.
- 12. The small number found after an element. Tells how many atoms of that element are present in a compound.
- 14. the amount of atoms going into a chemical equation must be the same number that comes out of the chemical equation.
- 18. The way elements combine chemically
Down
- 1. the original material that goes into the chemical equation. Found ont he left side of yield symbol.
- 2. A process that involves changes in the structure of atoms.
- 4. a subatomic particle that has a neutral charge.
- 5. Chemical reaction represented through symbols.
- 6. The basic building block of matter. Smallest part of a non-living substance.
- 7. A vertical column on the periodic table.
- 13. a solid formed out of solution
- 15. In a chemical reaction, the number found in front of a molecule. It tells how many molecules of a particular compound are present.
- 16. a horizontal row on the periodic table. All atoms in a row share the same number of energy levels.
- 17. the numbre of subatomic particles that determines the type of atom. Found in the nucleus of the atom.