1. Identifying two types of energy
2. Explaining how you know they are there

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

  the mississippians were considered to be  horticulturalists, which means they were

How many atomic mass units are equal to 1.672×10−24 g of protons?