Structure & Properties of Matter

What are the three states of matter?

• gas, liquid, mass
• solid, liquid, gas
• mass, volume, thermal energy
• gas, temperature, solids

What is an example of a physical property?

• reactivity
•  color

Which state of matter has a fixed shape and volume and it's molecules move very slowly?

• Liquid
• Gas
• Solid
• Plasma

In which state of matter are the particles moving the fastest?

• solid
• liquid
• gas
• onions

A student places a pan of water on the stove. What happens to some of the water as it is heated?

• It becomes a gas.
• It becomes a liquid.
• It gets destroyed
• It gets new atomic bonds.

Students took some ice cubes out of the freezer at 1:00pm. An hour later, they observed how the ice cubes had changed. The change that occurred is best described as

• chemical because a liquid formed

• physical because it happened over time

• physical because no new substance was formed

• chemical because heat caused the change

What happens to the molecules in a pot of water as it is heated? 

• they move faster
• they move slower
• they gain potential energy
• they lose thermal energy

In an element box, the number at top is the

• atomic number

• atomic name

• atomic mass

• atomic symbol

The number of neutrons in an atom can be found by

• adding the number of neutrons and protons together.

• adding the atomic mass and the atomic number.

• subtratcting the atomic number from the atomic mass.

• subtracting the atomic mass from the atomic number.

___________________ are positively charged particles located in the nucleus of an atom.

• Electrons

• Neutrons

• Protons

• Isotopes