See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
15 cards from this deck
1897
Ball of positive charge with negative electrons embedded
Gold
Positive
Most alpha particles passed straight through
Atoms are mainly empty space
Great deal of mass and positive charge
Nuclear model
Electrons orbit nucleus at specific distances
Energy levels or shells
James Chadwick
0.1 nm0.1 \text{ nm}0.1 nm or 1×10−10 m1 \times 10^{-10} \text{ m}1×10−10 m
1×10−14 m1 \times 10^{-14} \text{ m}1×10−14 m
Number of electrons equals number of protons
1
Select your subjects, and get access to A+ resources today.