The atom Flashcards
what is the charge of a proton
1.6 x 10 ^-19
what is the charge of an electron
-1.6 x 10 ^-19
what is the charge of an atom
0
what is the symbol for the magnitude of the electron charge
e
units for charge
C- coulombs
What is the proton and electron charge equal to
the magnitude of the electron charge
what is the relative charge of a proton, electron and neutron
+1
-1
0
What is the relative charge of all the electrons in an atom with 5 protons, 6 neutrons and 5 electrons?
-5
how can scientists distinguish between atoms
by looking at their proton number
what symbol is given to the proton number
z
what does the atomic number tell us
the number of protons in an atom’s nucleus
what is an ion
when the number of protons in an atom doesn’t equal the number of electrons in an ion
how to calculate an ions relative charge
subtract the number of electrons from the number of protons
what is a nucleus
made up of nucleons, where at least one has to be a proton
what is an isotope
an element with the same number of protons but a different number of neutrons
