Matter and Energy Vocab Flashcards
The smallest particle of an element.
atom
The force that hold two atoms together.
chemical bond
A change in matter that produces new
substances.
chemical change
Describes how a substance will react and
change into something new when in the
presence of another substance. It can only be observed at the molecular level.
chemical property
The study of the properties of matter and how matter changes.
chemistry
A substance made of two or more elements, chemically combined in a set ratio.
compound
The measure of how much mass of a
substance is contained in a given volume, a physical property.
density
A substance that cannot be broken down into
other substances by chemical or physical
means.
element
The ability to do work or cause change.
energy
A measure of how much matter is in an
object.
mass
Anything that has mass and occupies space.
matter
Two or more substances that are mixed
together but not chemically combined.
mixture
A change that alters the form or appearance of a substance but does not make the material into another substance or change its chemical properties.
physical change
A characteristic of a substance that can be observed/measured without changing the substance into something else.
physical property
A single kind of matter that has distinct
physical and chemical properties.
substance
The amount of space that matter occupies.
volume
A measure of the force of gravity on an
object.
weight
A table organizing the elements by increasing atomic number. There are 7 rows & 18
columns which indicate their properties.
Periodic Table
Physical forms in which a substance can exist, states include solid, liquid, gas & plasma.
Phases of Matter
When a substance changes from one physical form to another, due to changes in energy.
Phase Change
Letters used to represent the chemical name of an element.
Chemical Symbol
Letters & numbers used to represent the
atoms of a particular compound
Chemical Formula
Process that produces chemical change,
resulting in a new substance that has
properties different from those of the original
substance.
Chemical Reaction
A solid that forms out of a solution.
Precipitate
