How does Rutherford's model of the atom explain why some of the alpha particles directed at the gold foil were deflected straight back toward the source?
A) Alpha particles sling shot around the atomic nucleus much like comets sling shot around the sun.
B) Each atom has a center in which mass is very dense, but elastic.
C) The gold nucleus is able to deflect alpha particles much like a mirror is able to reflect photons.
D) The atomic nucleus is very small but dense and carries a positive electric charge.
Question 2
What happens to a soda can left in the freezer? Why?
A) The sugar and syrup, which separate from the water, settle to the bottom of the can and become solid.
B) The soda inside the can freezes collapsing the can as the solid forms.
C) The soda can puffs out and sometimes the lid pops open because water expands when it freezes.
D) Although the soda inside the can get s very cold, it will not completely freeze because of the high sugar concentration.
Artist's impression of an electron splitting up into two new particles
Standard Model of Elementary Particles
Lock and Key Model
Characteristics of Subatomic Particles
A model for helicase action
The Meselson–Radding model for homologous recombination