atomic structure
physical/chemical changes
phase changes
states of matter
elements/compound mix
100
what is the smallest particle of an element that retains all of the property of that element called
atoms
100
A change in which no new substances are formed. Its a change in state.
Physical Change
100
Phase of matter with a definite volume and a definite shape is a...
solid
100
Gas to liquid:
(Dew on grass)
condensation
100
composed of two or more elements NOT chemically combined
mixture
200
repulsion between closely packed protons in the nucleus is over come by
nuclear forces
200
Any change that results in the formation of new substances.
Chemical change
200
Phase of matter with a definite volume and no definite shape is a..
Liquid
200
Liquid to Gas:
(Puddles disappearing)
evaporation
200
a pure substance that contains two or more kinds of atoms
compound
300
what is Positively charged subatomic particle. Found in the nucleus of the atom.
proton
300
Color, shape, size, density, melting point, and boiling point are..
Properties of Physical Change
300
Phase of matter with no definite volume and no definite shape is a...
gas
300
Solid to liquid:
(Ice to water)
melting point
300
cannot be separated into simpler materials by chemical reaction
element
400
what is Negatively charged subatomic particle. Found outside of the nucleus in energy levels. Smallest particle...
electron
400
melting, freezing, vaporization, condensation, sublimation are examples of...
Physical Change
400
A phase change from a solid to a liquid is a...
Phase Change: Melting
400
Liquid to solid:
(Water to ice)
freezing point
400
what is gold
element
500
what is The small parts that make up the atom. Protons, electrons, and neutrons.
Subatomic Particles
500
Odor, color, temperature, Burn, bubbles are examples of...
Chemical Change
500
Temperature at which a solid changes to a liquid -
Ice melts at O Celsius
Melting Point
500
can be poured and take on the shape of their container. Has mass and volume.
Liquid
500
their properties are usually quite different from the properties of their components
compound