Search
Browse
Create
Log in
Sign up
Log in
Sign up
Upgrade to remove ads
Only $2.99/month
Unit 2: Historical Development of the Atom (Part 1A)
STUDY
Flashcards
Learn
Write
Spell
Test
PLAY
Match
Gravity
Terms in this set (17)
Thomson
discovered the electron
Millikan
discovered the charge of the electron
Rutherford
discovered the nucleus
Democritus
matter is made of tiny particles, "atomos"
Dalton
Atomic Theory
Bohr
planetary model
plum pudding model
electrons floating in positive goo
solid sphere model
a round circle
the model of the atom we use today
Quantum Mechanical Model
mass number
protons + neutrons
atomic number
number of protons
ion
atom with a charge
cation
positively charged atom; lost electrons
anion
negatively charged atom; gained electrons
mass of an electron
0 amu
mass of a proton
1 amu
isotope
same number of protons; different number of neutrons
YOU MIGHT ALSO LIKE...
Atomic Scientists
32 terms
Science chapter 4
26 terms
Chemistry
17 terms
Chem chp 4 test
28 terms
OTHER SETS BY THIS CREATOR
Thermochemistry: Part 1
12 terms
Unit 3 (PreIB): Just the scientists!
7 terms
Gas Law Equation Practice (SOL Review)
6 terms
Polyatomic Ions (SOL Review)
6 terms