Chapter 4- Modern Atomic Theory Flashcards
1
Q
Atomic #=
A
Protons (if neutral=electrons)
2
Q
_______ developed the concept of atomic number
A
Henry Moseley
3
Q
The atomic number is special because
A
It can be used to identify any known element
4
Q
Number of protons=
A
To the atomic #
5
Q
Number of electrons=
A
To both #of protons or atomic #
6
Q
Number of neutrons=
A
Mass # (protons+electrons)- atomic #
7
Q
An atom is made up of
A
Protons, neutrons and electrons
8
Q
Electrons travel in defined ______ or shells around the nucleus
A
Orbits
