Science (1)
A substance that has definite physical and chemical properties.
Pure Substance
Contains a variety of elements and compounds that are not chemically combined.
Mixture
The third type of subatomic particles that has a negative charge.
Electron
A characteristic of a substance that can be observed and measured without changing the identity of the substance
Physical Property
Is the number of protons in the nucleus of one of its atom.
Atomic Number
A mixture when the substance are evenly spread.
homogeneous
A mixture that does not have a uniform composition.
Heterogenous
Another type of subatomic particle of an nucleus that has no charge.
Neutrons
The basic building blocks of matter.
Atom
A special numerical value that compounds can be classified as acidic, basic, or neutral.
PH
Water molecules that attracted or stick to each other.
Cohesion
an observation that represents an element.
Chemical Symbol
Subatomic particles that have a positive electric charge.
Proton
A particle made up of two or more atoms that join together chemically.
Molecule
Spread throughout liquid and gas but are small and do not settle out quickly.
Colloids
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No
Water molecules that attracted to other surfaces.
Adhesion
Mixtures in which the partials of a material are spread throughout liquid or gas
Suspensions
Poor conductors of electric current and energy as heat.
Nonmetals
Elements that have some properties of metals and non-metals
Metalloids
Describes a substance ability to change into a new substance with different properties.
Chemical Properties
When one substance is dissolved into another substance.
Solutions
A pure substance that is made up of only one type of atom
Element
Made up of different kinds of atoms chemically combined
Compound
A solid that is recognized by its luster, or shine
Metals