CHEM 1110 Midterm: Chemistry 1110 2012 Spring Test 1
Document Summary
A) metals b) alkali metals c) nonmetals d) metalloids e) alkaline earth metals. Name: _________________________: two isotopes of an element differ only in their, mass number, number of protons. symbol, number of electrons. atomic number, the si prefixes milli and mega represent, respectively: A) 103 and 10 6 b) 10 3 and 109 c) 106 and 10-6 d) 10 3 and 106 e) 10 6 and 10 3: scientists follow a set of guidelines known as the. A) 8fe b) 60fe c) 26fe d) 34fe e) 55fe: bromine, br, is the only nonmetal that is a liquid at room temperature. Select the combination which lists the correct atomic number, neutron number, and mass number, respectively. A) 46, 81, 35 b) 81, 46, 35 c) 35, 81, 116 d) 35, 81, 46 e) 35, 46, 81: the alkali metal elements are found in _______ of the periodic table.
