True becuase the substance changed into another substance which is a example of a chemical reaction.
The answer would be A.Bias because the scientist can form a Bias opinion based on his beliefs
Answer:
All isotopes of an element have the same number of protons and electrons, which means they exhibit the same chemistry. The isotopes of an element differ only in their atomic mass, which is given by the mass number (A), the sum of the numbers of protons and neutrons.
Explanation:
Hope this <em><u>Helped!</u></em> :D
a solution in chemistry is a homogeneous mixture composed of two or more substances. In such a mixture, a solute is a substance dissolved in another substance, known as a solvent.
