Read the passage and then select the list of words that correctly completes the blanks in the order given:
All matter has ___ and occupies space. The simplest form of matter containing only one type of atom with its own particular set of properties is called a(n) ___. A combination of two or more atoms that can be the same or different is called a(n) ___. Such combinations of atoms are held together by attractive forces, which help determine the ___ of matter.
Required
2 points
2
Question 2
2.
A chemical formula presents information on the number and type of atoms that make up a compound or element, such as a gas.
Which of the following lists the gases in order of increasing number of atoms that make up its molecule?
Required
2 points
2
Question 3
3.
Water molecules are represented below in different states of matter. Choose the statement that accurately describes the relationship between the amount of potential energy and its state of matter.
Required
2 points
2
Question 4
4.
A chemist is conducting an experiment on a system. At the beginning of the experiment, the chemist wants to determine the temperature of the system.
The system has a definite volume but no definite shape. Which of the following is most likely also true for the system?
Required
2 points
2
Question 5
5.
A teacher has given a group assignment to classify certain things as matter or energy. Most of the students in the group have decided on the following classification:
Matter: atoms, sugar, water, air
Energy: heat, potential, kinetic, sound
However, there is one student who is arguing that all of the things listed in both categories can be classified as energy, and so that must mean that they can all be classified as matter, too.
Which of the following provides the best scientific explanation as to why the things classified as energy are not also classified as matter?