Matter
Physical change and chemical change
Vocab
Elements
Random
100
What is matter made out of ?
Solid, Liquid, Gas
100
Milk souring is what ?
Chemical change
100
what is Mass ?
Measure of the amount of matter
100
What is an Element ?
Species of atoms having the same number of protons in their atomic nuclei
100
What is the difference between distillation and filtration?
Distilled water is also very acidic, lacking minerals that are found naturally in water that are good and healthy for you. Filtration often allows these minerals to be retained in the final product, while still removing harmful substances like chlorine and toxic pesticides, leaving you with water that is not acidic.
200
What is the definition of matter ?
Something that occupies space
200
What does chemical reaction do?
Reaction involving the rearrangement of the atoms of one or more substances
200
what is a reactant ?
A substance that changes during a reaction
200
What is a periodic table
An Arrangement of the chemical elements, ordered by their atomic number, number of protons, and recurring chemical properties.
200
What is an example of a pure substance ?
Water (hydrogen and oxygen) (other answers may apply)
300
What are Pure Substances?
Elements, Molecules, Compounds
300
A bike rusting is what ?
Chemical change
300
What is Heterogeneous ?
Mixtures not unifrom in composition
300
What is the element AG stand for ?
Silver
300
Definition of Immiscible ?
Two or more liquids that do not mix into each other
400
What is property?
Something that defines matter
400
What does physical change do ?
Affects the form of a chemical substance, but not its chemical composition.
400
What does Miscible do?
Two or more liquids that do dissolve into each other
400
How many elements are in the periodic table
118 elements
400
What is the element CL stand for?
Chlorine
500
Name 5 phase changes
Melting, Freezing, Condensation, Sublimation, Deposition
500
When a New substance is formed its called what ?
Chemical change
500
A substance made up of two or more elements is called what ?
Compound
500
How many elements come naturally on earth
92 elements
500
What the element Pb stand for ?
Lead
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