Answer this It is important to design experiments so that they are

1. Understandable by everyone

2. Impossible to copy

3. Repeatable

4. Scientific

5. Manipulatable

Amount of liquid measured in l or lm

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.

Areaction in which products can react to re-form reactants is