Unit 3 Flashcards
1
Q
Rows / Periods
A
Each row represents a energy level
2
Q
Same electron configuration
A
Same number of electrons (when atoms have charges)
3
Q
Daltons 3 part Theory
A
1) Atom cannot de created or destroyed (Proven false)
2) Everything is made of atoms
3) Atoms join is specific amounts to form substances
4
Q
Rutherfords gold foil experiment
A
- atoms are mostly empty space
-protons are in small dense region (nucleus)
5
Q
Valence electrons
A
Outermost electrons in S & P orbitals
6
Q
Elements in the same group/column
A
Share similar properties
7
Q
Ionization energy
A
Up-Right
Energy needed to remove a valance electron
8
Q
Ground State
A
Electron on lowest energy level
9
Q
Atomic emission spectra
A
Formed from electrons jumping from hight to low energy levels
10
Q
Electronegativity
A
Up-Right
The ability of an atom to attract electrons
