Properties of Matter
Chemical Changes
The Periodic Table
Laws, Theories, and Models
Hodge Podge
100
Refers to an object's shinyness
What is lustre
100
List three evidences that a chemical change is occuring
What is bubbling, a precipitate is formed, heat is absorbed, heat is released, a colour change, a change in odour.
100
Each square on the periodic table represents this
What is an element
100
This model of the atom was a positive sphere with negative electrons throughout
What is the plum pudding model/Thomson's Model
100
Substances that aid digestion in your body
What are enzymes
200
Toxicity is a _________ property of matter
What is physical
200
Another term for rust
What is iron oxide
200
This Russian chemist created the periodic table
Who is Dmitri Mendeleev
200
He was the first to describe the atom
Who is Dalton
200
A reaction where heat is released
What is an exothermic reaction
300
Density is a _________ ___________ property of matter
What is quantitative property
300
These are the products of combustion
What are carbon dioxide, water vapour, and energy
300
The periodic table was organized using this property
What is atomic mass
300
This Law states that the mass of reactants and products cannot change.
What is the Law of Conservation of Mass?
300
This number tells you the number of protons and element has
What is an atomic number?
400
They describe how and substance interacts with other substances
What are chemical properties
400
This process prevents corrosion.
What is galvanization
400
The rows of the periodic table
What are periods
400
This model of the atom is the one we use today
What is the electron cloud model
400
When non-metals bond
What is a molecular compound
500
This type of mixture looks as though it is pure
What is a homogeneous mixture/solution
500
In a chemical change _________ become __________
What is "reactants become products"
500
The most reactive non-metal family
What are halogens?
500
This model of the atom has electron orbitals with different energy levels
What is Bohr's atomic model
500
These compounds conduct electricity
What are ionic compounds
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