The answer is Rutherford.
Answer:
Pencil is an element and a heterogeneous mixture
Explanation:
Answer:
Chemists investigate the properties of matter at the level of atoms and molecules. They measure proportions and reaction rates in order to understand unfamiliar substances and how they behave, or to create new compounds for use in a variety of practical applications.
Explanation:
Answer: 55.84L
Explanation: Please see attachment for explanation.