When the dry ingredients of a cake are combined, what is the result? compound
atom
mixture
element

How many ions that have a +1 charge will bond with an ion that has a -2 charge

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.

Which type of fossil does this image depict?