What is part of the modern atomic model but no previous model. A) a nucleus
B)circular electron paths
C)A positive particle
D) electron clouds

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Ab c or d ? i’m not sure what the answer is

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