Science Vocab

2. small number to the right of an element symbol that shows how many atoms of that element
6. electrons found in the outermost shell and determine the chemical properties such as reactivity
10. A subatomic particle that has a positive charge and that is found in the nucleus of an atom;identifies the atom
11. a way of describing the number of atoms that make up a molecule or compound
13. the number placed just before the chemical formula;number of molecules
14. number of protons in the nucleus of one atom of an element

1. compound or element that is the result of a chemical reaction
3. molecule that is made up of more than one type of element
4. equation that has the same number of atoms of each element on both sides of the yield sign
5. a row of elements in the periodic table arranged by atomic number, have the same number of valence electron
7. number of protons and nuetrons
8. the smallest particle into which an element can be divided and still have the same properties of that element
9. compound or element that changes during a chemical reaction
12. A subatomic particle that has no charge and that is found in the nucleus of an atom
15. negative charge, located in the electron cloud