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Chemical Bonds
chemistry
| Term | Definition |
|---|---|
| cation | ion that has a positive charge, has LOST at least one electron |
| anion | ion that has a negative charge, has GAINED at least one electron |
| ionization energy | energy required to remove an electron from an atom |
| ion | atom with a charge because it lost or gained an electron |
| period on periodic table | row across the periodic table |
| group on periodic table | column up and down the periodic table |
| valence electron | electrons in the outer shell or outer ring |
| ionic bond | bond where an atom gains or loses an electron |
| covalent bond | a bond where electrons are shared |
| orbital | where electrons are found in an atom, also a period on the periodic table |
| metals | found on the left side of the periodic table |
| non-metals | found on the right side of the periodic table |
| which types of elements form covalent bonds | non-metals |
| which types of elements form ionic bonds | metal to non-metal |
| what is a subscript? | the small number after an element symbol |
| What does a subscript show? | the number of ATOMS in a molecule |
| coefficient | the number BEFORE a molecule |
| What does a coefficient show? | the number of MOLECULES present |
| What is a molecule? | atoms bonded together |