Show:
Physical/Chemical
Phases
Atoms & Elements
Molecules & Compounds
Mixtures
100
Chewing our food
What is a physical change
100
Definite Shape & Definite Volume
What is Solid
100
Place in an atom where protons and neutrons are found.
What is the Nucleus?
100
The smallest part of a compound.
What is Molecule?
100
Two or more substances combined in the same place maintaining their individual properties.
What is a mixture?
200
Produces a new substance or substances
What is a chemical change
200
Definite Shape, No definite Volume
What is a Liquid?
200
a subatomic particle having a negative charge
What is an electron?
200
H2, O2 or O3
What are Molecules?
200
A mixture that is evenly mixed throughout so the different substances cannot be seen.
What is a homogenous mixture?
300
Flammability & reactivity with other substances
What is chemical change?
300
No Definite Shape or Volume
What is a Gas
300
The number of protons in an atom.
What is the atomic number?
300
H2O, CO2, CO
What are molecules and compounds
300
A mixture where the different substances can be seen.
What is heterogeneous mixture.
400
Measurement of Volume, Weight, Mass & Density
What are physical properties?
400
When a gas changes into a solid skipping the liquid stage.
What is Deposition?
400
a pure substance; consists of atoms with the same number of protons
What is an element?
400
Two or more elements chemically combined in definite proportions.
What are molecules and compounds?
400
A homogeneous mixture where the particles are dissolved completely and can be easily seen through.
What is a solutions.
500
combustion, electrolysis, oxidation, tarnishing
What are chemical changes?
500
Removing heat energy from the gas phase results in water vapor cooling called
What is condensation?
500
the smallest particle of an element
What is an atom?
500
Elements and Compounds.
What is pure substances?