Atoms and Bonding
Terms
undefined, object
copy deck
- alkali metal
- have one valence electron
- transition metals
- groups 3-12
- chemical bond
- force of attraction that holds atoms together
- scientific theory
- a well tested idea that explains a wide range of observations
- ionic bond
- results from the attraction of positive and negative ions
- compound
- made of two or more elements that are chemically combined
- energy level
- a region around the nucleus in which electrons are found
- period
- horizontal row on the periodic table
- covalent bond
- formed when atoms share electrons
- valence electrons
- located in the outermost energy level of an atom
- group/family
- vertical row on the periodic table
- polyatomic ion
- ions made of more than 1 atom
- ion
- atom that has lost or gained electrons
- mixture
- two or more substances not chemically combined
- atom
- smallest part of an element
- noble gas
- Do not react easily with other elements
- electron dot diagram
- includes the symbol for the element and its valence electrons
- magnesium
- alkaline earth metal
- elements
- building blocks of matter
- atomic number
- the number of protons in the nucleus of an atom