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