States of Matter
What state of matter has a definite shape and definite volume?
Solid
What is the smallest unit of an element?
What is a pure substance?
Material made of only one type of particle.
What is the density formula?
Density=mass/volume
What property describes how easily a substance scratches or resists scratching?
hardness
What state of matter has a definite volume but takes the shape of its container?
Liquid
What happens when 2 or more atoms bond together?
What is a heterogeneous mixture?
A mixture where you can see the different parts.
What is the density of water? Include the correct units
1.0g/mL
What physical property describes how a liquid changes to a gas?
Boiling point.
What state of matter has no definite shape or volume.
Gas
What is the energy of motion that particles have called?
Kinetic energy
What is lemonade an example of what kind of mixture?
Homogeneous mixture or solution
What will a cork with a density of 0.19 g/cm³ do in water?
Float
What physical property describes the ability of a material to carry electricity?
Electrical conductivity.
How do the particles in a solid move?
Vibrate in place.
What state of matter has particles tightly packed in a fixed structure?
Solids
Salad is an example of what kind of mixture?
heterogeneous mixture
What will dish soap do in water if the dish soap has a density of 1.57g/mL
Sink
What physical property describes the ability of a material to attract to a magnet?
Magnetism
As temperature increases what happens to the kinetic energy?
It also increases
What state of matter has particles spread far apart and move freely
Gas molecules.
What type of mixture looks the same throughout, but the particles are too small to see and do not settle out?
Homogeneous mixture (solution)
Why does oil float in water?
Because oil is less dense then water
Which of these is a physical property: color, rusting, burning, reactivity?
Color