Atomic Structure - Ch1 / L1 Flashcards
What is the relative mass of a proton, neutron and electron
P - 1
N - 1
E - 1/1836
What is the realtive charge of a proton, neutron and electron
P - +1
N - 0
E - -1
Where in the atom are the protons and neutrons found
The nucleus
Where in the atom are the electrons found
Orbiting the nucleus in electron orbitals/shells
What forces hold the protons and electrons together
Electrostatic force
What forces hold the protons and neutrons together
Strong force
What is the atomic number
Number of protons
What is the mass number
Number of neutrons and protons
What is the equation to deduce the number of neutrons in an atom
Mass number - Atomic Number (Z-A)
What is the number of electrons equal to in a neutral atom
Number of protons