Chemical Properties — Unit test Answers

An amount of nitrogen undergoes a physical change and increases its volume. What can be known about this physical change?

Which best describes what is made of matter?

Why is matter so diverse in its properties and characteristics?

Which ranks these materials by the attraction between their atoms from the weakest to the strongest?

Uranium is a type of atom. In special circumstances that usually involve high amounts of energy, uranium can be broken. When this occurs, different pieces of the original atom remain, including a substance called plutonium.Which statement most likely describes plutonium?

Which object would sink in honey, which has a density of 1.4 g/cm³?

During which changes of state do atoms that cannot move past one another become free to move?

Four students are analyzing four different substances and recording their findings in this table.Which most describes this table?

Which statement summarizes the difference between mass and weight?

Which statement gives two characteristics of all liquids?

A cylinder at left with balls in a layer on the bottom of the cylinder has an arrow leading to a cylinder at right with balls stacked near the bottom of the cylinder.

When hydrogen peroxide bubbles, it is undergoing a chemical change. Which statement best describes what is happening?

What is conserved in physical changes?

Which state(s) of matter have no definite shape or volume?

Which example illustrates a chemical change?