Which of the following are responses are not true when considering the representative elements A. They are also called Main Group elements
B. They contain the s and p block
C. You can predict valence electrons by looking at the roman numeral for each group
D. A large number of them are synthetic

What is the overall order of reaction for rate = k[no2]2 ? second order 3/2 order third order zero order none of the listed answers are correct

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.