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Activity No. 1: Crossword Puzzle: Atomic Models in Focus.
Atomic Models
t
DIAGRAMJ
h
D
P
0
a
0
P
*
a
J
.
MULL
LY
EL
3
0
T
1
R
Posiitiveso p
Across
2. The Bohr model shows
electrons in different
9. The Rutherford model
showed the atom was mostly
10. Chadwick's discovery has

charge
12. The nucleus is charged
14. Rutherford's gold foil
experiment showed the
existence of the
15. The plum pudding model
showed negative particles in a
Dawn
1. Positive charged
particles are called
3. John Dalton's belleved
atoms were invisible and
4. Rutherford was not only
credited with discovery of the
nucleus but also of the
5. First idea of the stom
6. Democritus believed
atoms of different materials
had different
7. The main point of the
electron cloud model is that
electrons exact location can't
be determined but with a high
8. The electrons are
_ charged
11. Credited with the
discovery of the electron.


Sagot :