Matter and Properties
the smallest unit of an element
what is atom?
a blend of two or more kinds of matter
what is a mixture?
its matter is made up of charged particles
What is Plasma?
the process by which a solid becomes a liquid
what is melting?
the vertical columns of the periodic table
What is groups?
it takes up space and it has mass
one kind of atom
what is element?
has a definite volume and a definite shape
The horizontal rows of elements in the periodic table
what is periods?
a change in a substance that does not involve a change in the identity of the substance such as cutting, melting, etc.
two or more elements combined
what is a compound?
what is gas?
the process by which a gas changes into a liquid
what is condensation?
an element that is a good electrical and heat conductor
what is metal?
A change in which one or more substances are changed into different substance; a chemical reaction ; example: iron rusting, fireworks lighting up the sky
what is chemical change?
a mixture that is not uniform throughout. for example chocolate chip cookies
what is a heterogenous mixture?
a matter that has a definite volume but its shape can change
what is a liquid?
the process by which a solid becomes a gas
what is sublimation?
An element that is a poor conductor of electricity and heat
what is nonmetal?
______________ depends on the amount of matter that is present. For example mass and volume
what is extensive properties?
A mixture that is uniform in composition and a solution is an example.
what is homogeneous mixture?
This matter is capable of capillary action and surface tension
what is liquid?
the process by which a gas becomes a solid
what is deposition?
an element that are semiconductors of electricity
what are metalloids?