% Increase = ((Final number - Initial number) • Initial number) X 100 What is the percent increase in Wind energy from 2006 to 2010?
A)
4%
B)
232%
7%
D)
175%

Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?