Atoms and Elements
Properties
Vocabulary
Mixtures
States of Matter
100
What is an atom?
a very small piece of matter
100
Which of the following is a physical property.
color flammability location
100
What is mass?
the amount of material something is made of
100
What is a homogeneous mixture?
made of pure substances that are uniformly mixed. Can dissolve into each other.
100
This is an example of what type of molecule.
solid
200
What is an element?
Matter made of only one kind of atom.
200
Which of the following is a chemical property?
level smell flammability
200
What is matter?
Anything that has mass and takes up space
200
What are heterogeneous mixtures?
made of pure substances that are not uniformly mixed. Can separate and properties are different.
200
The difference between a liquid molecule and a gas molecule is?
A liquid molecule is more tightly packed and particles float over each other. Gas molecules are not packed and freely float.
300
What are the three particles in an atom?
Protons, Neutrons, and electrons
300
Define physical properties.
characteristics of an object that can be observed and measured
300
What is a property?
a characteristic that defines a substance.
300
Solvents and Solutes are part of what type of mixture.
homogeneous
300
This is an example of what type of molecule?
liquid
400
What are the characteristics of metals?
solid, shiny, conduct electricity, shape able, melt able,
400
Define Chemical property.
characteristics of that describe how one substance reacts with another
400
What 2 measurement devices are used to determine the mass of a solid and the volume of a liquid?
A balance measures the mass of a solid. A graduates cylinder measures the volume of a liquid
400
Suspensions are types of heterogeneous mixtures where the particles settle out.
true or false
true
400
This is an example of a process where a molecule evaporates turning from ____ to _____. Fill in the blanks.
liquid to gas
500
What are the characteristics of non metals?
solid, liquid, or gas, dull, breakable, low electric conduction.
500
What are the physical and chemical properties of a piece of wood?
floats rough brown or grey flammable porous
500
What is volume?
the amount of space an object takes up.
500
What is an example of a homogeneous mixture?
miralax and water, lemonade mix and water, chocolate powder and milk.
500
Define Plasma
4th state of matter. caused by a reaction between heat and electricity. Found in fluorescent bulbs.