Nature of Matter

Which of the following is NOT a characteristic of matter?

• Mass

• Spatial occupancy

• Indivisibility

• Presence in our surroundings

What is the main factor that distinguishes molecules from atoms?

• Mass

• Number of protons

• Chemical bonds between atoms

• Spatial occupancy

How are molecules similar to objects like cans of soda in a six-pack or keys on a key ring?

• They are made of metal

• They are joined by strong chemical forces

• They cannot be further divided

• They have a consistent shape

In the context of matter, what property do helium, neon, and argon possess that makes them unique among other elements?

• They have high mass

• They form molecules easily

• They consist of atom pairs

• They exist as independent atoms with individual movement

What is the primary factor that determines whether a substance is classified as an element or a compound?

• Number of atoms

• Weight

• Chemical composition

• Color