What makes Electricity? 1

What makes Electricity?

What is Electricity?

� Electricity is a flow of charged particles.

� Charged particles

of an atom can be electrons or ions.

http://www.ssc.education.ed.ac.uk/bsl/chemistry

/atomd.html

What makes an Atom?

� An ATOM is the smallest piece of an element that exist.

� “Everything is made of atoms.Atoms are very small.

� 7 million atoms joined togetherin a straight line would be about 1mm long.”

Extract above is from http://www.gcsescience.com/a1-atom-electron-neutron-proton.htm

What is the Difference between an Atom and an Ion?

� An ATOM has the same number of

protons and electrons.

� An atom has no overall electric charge.

� If an atom loses or gains electrons

it is no longer called an atom.

� It is called an ion.

What is the Difference between an Atom and an Ion?

an ION

� An ion has a full outer shell

of electrons.

� An ion is either

positive or negative

because it has

an electric charge.http://en.wikipedia.org/wiki/Ion