| A | B |
|---|
| ATOMIC MASS | NUMBER OF PROTONS AND NEUTRONS IN AN ATOM. |
| ATOMIC NUMBER | NUMBER OF PROTONS IN AN ATOM. |
| GROUP OR FAMILY | VERTICAL ROW OF ELEMENTS IN THE PERIODIC TABLE. |
| PERIOD | HORIZONTAL ROW OF ELEMENTS IN THE PERIODIC TABLE. |
| COMPOUND | TWO OR MORE ELEMENTS COMBINED. EXAMPLES ARE WATER, CARBON DIOXIDE, TABLE SALT, ETC. |
| FORMULA | SYMBOLS FOR COMPOUNDS. |
| METAL | USUALLY LENDS ELECTRONS; HAS LESS THAN 4 ELECTRONS ON ITS OUTER SHELL. |
| NONMETAL | USUALLY BORROWS ELECTRONS; HAS MORE THAN 4 ELECTRONS ON ITS OUTER SHELL. |
| FLOURINE HAS 7 OUTER ELECTRONS. HOW MANY DOES IT NEED TO BECOME STABLE? | ONE ELECTRON. |
| SODIUM HAS 11 ELECTRONS, IS IT A METAL OR A NONMETAL? EXPLAIN. | METAL; IT HAS ONE ELECTRON ON ITS OUTER SHELL. |
| WHERE ARE THE METALS LOCATED ON THE PERIODIC TABLE? | LEFT SIDE. |
| WHERE ARE THE NONMETALS LOCATED ON THE PERIODIC TABLE? | RIGHT SIDE. |
