Mon 10 Nov, 2008 09:30 pm - A flea's jump can be modeled by the function y=-0.073x(x-33) where x is the horizontal distance (in centimeters) and y is the corresponding height (in meters). How far did the flea jump? What... (view)
Mon 10 Nov, 2008 09:14 pm - Complete the following statements:
a. In general, metal atoms are ____ (larger/smaller) than nonmetal atoms.
b. Metal atoms ____ (gain/lose) electrons when they ionize.
c. As you move down a... (view)
Mon 10 Nov, 2008 09:09 pm - Name an element for each of the following. More than one may be correct.
a. An element with the same properties as neon
b. A metal from the most reactive family
c. An element from a group that... (view)
Mon 10 Nov, 2008 09:05 pm - In the 1860's, Dimitri Mendeleev predicted that some elements existed that had not yet been discovered. He was also able to describe the physical and chemical characteristics of these... (view)