Unit 1-(c) The Stucture of the Atom-B. Important numbers Flashcards
0
Q
What is the mass number?
A
number of protons plus neutrons
1
Q
What is the atomic number?
A
Number of protons
2
Q
How are electrons arranged in an atom?
A
in energy levels called shells
3
Q
What kind of notation can represent an atom?
A
nuclide notation
4
Q
Elements with the same ______ ____ ______ _______ have similar chemical properties…
A
number of outer electrons
