(about the use of coal) can you think of any problems that could come from using only 15 years of data to predict trends for the next 100 years? explain your answer. how could you prevent some of these problems?

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 has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays