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chemistry vocab
| Question | Answer |
|---|---|
| Ionic bond | a bond between a non metal and a metal. |
| electronegativity | a measure of the attraction of an atom for electrons. |
| periodic table | a table showing the elements. |
| metal | an element which is a good conductor of heat and electricity. |
| nonmetal | an element with high electronegativity and is a bad conductor of heat and electricity. |
| valence electron | electron(s) on an elements last shell. |
| cation ion | positively-charged ions. |
| chemical bonds | is an attraction between atoms brought about by a sharing of electrons between to atoms |
| anion ion | negatively-charged ions. |
| covalent bond | a bond by two atoms by sharing of a pair of valence electrons. |
| molecule | the smallest physical unit of an element or compound. |