pure substance
A pure substance Made up of only one kind of atom
Element
A mixture that fully dissolves
A Homogeneous mixture
What is density
A measure of Mass per volume
reaking, crushing, cutting
Is it a physical property or chemical p. If the temp is at boiling point?
Physical property
A Substance that is made from two or more types of atoms
Compound
A mixture that does not fully dissolve
A Heteroeneous mixture
What has low bulk density, but high pore space
A sponge
3 chemical changes
Fizzing, milk souring, burning wood
Is it a physical property or chemical property when a materials ability to burn in the presence of oxygen
Chemical property
3 Examples of pure substance
tin, sulfur, diamond
Examples of a heterogeneous mixture
Muddy water, salad dressing
What has high bulk density, but low pore space
A Brick
texture and chemical reaction
examples of physical properties
color, density, hardness
What is pure substance
something that contains only one kind of matter
Examples of homogeneous mixture
Salt water, Kool-aide
Density= ____
Mass over volume
What is a chemical change?
A chemical change is a change of materials into another
Examples of chemical properties
flammability, toxicity, acidity, reactivity
What is a Pure substance?
A substance that cannot be physically separate any further into other substances
What is a mixture of Gunpowder?
sulfur, potassium nitrate and carbon.
what is the density in water
the density of water is 1 gram per cubic centimetre
What is a physical change?
Physical change is a type of change where the physical properties of matter change
What is one chemical property and one physical property
Iron metal rusts and Gold is shiny