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Chlorine Gas
________ and sodium metal combine dramatically in the ratio of one to one to form sodium chloride.
Particle
A(n) ________ consisting of two or more atoms that are bonded together is called a molecule.
Suspension
________: a heterogeneous mixture containing a liquid in which visible particles settle.
Iron
________ is a substance that can change states if it absorbs or releases enough energy; at high temperatures, it melts.
Solution
________: a homogeneous mixture of particles so small that they can not be seen with a microscope and will never settle to the bottom of their container.
Distillation
________ can easily separate liquids from solids dissolved in them.
Colloid
________: a type of mixture with particles that are larger than those in solutions but not heavy enough to settle out.
Compound
________: a pure substance in which the atoms of two or more elements are combined in a fixed proportion.
Liquid
The ________ is heated until it vaporizes and moves up the column.
Substance
________: type of matter with a fixed composition.
Physical Properties
The abilities to stretch and bend are ________.
Chemical Property
________: a characteristic of a substance that indicates whether it can undergo a certain chemical change.
Element
________: If all the atoms in a substance have the same identity.
Molecule
A(n) ________ is a basic unit of a molecular compound.
Homogeneous Mixture
________: contains two or more gaseous, liquid, or solid substances blended evenly throughout.
Distillation
________: The process used for separating substances in a mixture by evaporating a liquid and recondensing its vapor.
Physical Property
________: Any characteristic of a material that you can observe without changing the identity of the sub- stances that make up the material.
Chemical Property
The tendency of a substance to burn, or its flammability, is an example of a(n) ________.
Physical Change
________: A change in size, shape, or state of matter.
Substance
type of matter with a fixed composition
Element
If all the atoms in a substance have the same identity
Compound
a pure substance in which the atoms of two or more elements are combined in a fixed proportion
Heterogenous Mixture
A mixture in which different materials can be distinguished easily
Homogeneous Mixture
contains two or more gaseous, liquid, or solid substances blended evenly throughout
Solution
a homogeneous mixture of particles so small that they cannot be seen with a microscope and will never settle to the bottom of their container
Colloid
a type of mixture with particles that are larger than those in solutions but not heavy enough to settle out
Tyndall Effect
The scattering of light by colloidal particles
Suspension
a heterogeneous mixture containing a liquid in which visible particles settle
Physical Change
A change in size, shape, or state of matter
Distillation
The process used for separating substances in a mixture by evaporating a liquid and recondensing its vapor
Chemical Property
a characteristic of a substance that indicates whether it can undergo a certain chemical change
Chemical Change
A change of one substance to another
Law of Conservation of Mass
the mass of all substances that are present before a chemical change equals the mass of all the substances that remain after the change
Heterogenous Mixture
A mixture in which different materials can be distinguished easily
Tyndall Effect
The scattering of light by colloidal particles
Chemical Change
A change of one substance to another
Law of Conservation of Mass
the mass of all substances that are present before a chemical change equals the mass of all the substances that remain after the change.
