1.08 Unit Test Nature Of Matter
Question: Which statement about matter is true?
Answer: Matter is anything that is made of atoms and that has mass.
Question: Which statement best describes electrons?
Answer: Electrons orbit around the nucleus.
Question: How are atoms in a molecule held together?
Answer: through shared electrons
Question: Which substance cannot be separated by physical means or chemical means?
Answer: an element
Question: Which type of substance cannot be separated physically?
Answer: a pure substance
Question: Which substance can be separated by physical means and it is not the same throughout?
Answer: a heterogeneous mixture
Question: What describes a chemical change?
Answer: burning paper
Question: Which type of change is freezing water into ice an example of?
Answer: physical
Question: What does a nuclear change involve?
Answer: changing the structure of the nucleus
Question: What was changed to test viscosity In the “Viscosity” lab?
Answer: temperature