Exam Revision Flashcards
(47 cards)
atom
The smallest particle
of an element
atomic number
The number by which
elements are ordered in the
periodic table
boiling point
The temperature at which
a substance change from
liquid to gas
brittle
Easily broken
chemical bond
An attractive force that
holds two atoms together
chemical formula
A symbol that shows the
chemical composition
of a substance
chemical reaction
The re-arrangement of
atoms to form one or more
new substances
chemical symbol
One or two letters used to
represent an element
compound
A substance made up of
two or more types of atom
bonded together
element
A substance made up of
only one type of atom
group
A column in the periodic
table
lattice
A repeating arrangement of
atoms in a solid
Malliable
Able to be hammered
or pressed into shape
without breaking
melting point
The temperature at which
a substance changes from
solid to liquid
metal
A shiny element that
conducts heat and electricity
mixture
A combination of
substances that can be
physically separated
molecule
A group of atoms bonded
together
noble gas
An element that is highly
non-reactive
non-metal
An element that typically
does not conduct heat
or electricity
non-reactive
Tending not to chemically
interact with other
substances
period
A row in the periodic table
periodic table
A grid arrangement of all
known chemical elements
pure substance
A single substance without
anything mixed in
reactive
