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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 |