In Bohr's model of the atom, electrons:
A) only make transitions between orbitals of specific energies.
B) are not confined to specific orbits.
C) are spread uniformly through a large, positive mass.
D) can be halfway between orbits.
E) move from orbit to orbit in many small steps.
Question 2
Stars form from a collapsing cloud that fragments into smaller and smaller pieces. This process takes about:
A) 10,000 years.
B) 25,000 years.
C) 100,000 years.
D) a few million years.
E) 100 million years.
