The Atom - Basics Flashcards
Explain the structure of the atom ?
+In the nucleus - Proton and Neutron -held together by strong nuclear forces.where most of the mass is
+Orbiting in shells - Electrons -electrostatic forces .most of volume
diameter of an atom is teeny weanie
What is the Relative Mass of a Proton ?
1
What is the Relative Mass of a Neutron?
0
what is the relative mass of an electron ?
1/1840
what is the relative charge of a proton ?
+1
what is the relative charge of a neutron ?
0
what is the relative charge of a electron ?
-1
how do you find the number of protons in an atom ?
the atomic number
How do you find the number of electrons in an atom ?
atomic numnber
how do you find the number of neutrons in an atom ?
mass number -atomic number
what does the proton number do ?
identifies the element
What is a ion ?
a charged atom
how are ions created ?
gaining or losing electrons
what is diffrent in ions from normal atoms ?
the electron number
do negative ions has more or less electrons?
more