Question

1) An atom has ___ charged electrons moving in the space around the nucleus.

a) positively

b) negatively

2) What is electromagnetic radiation?

a) beams of electrons

b)high energy particles of magnetism

c) radiant energy that behaves like a wave

3) At what speed does electromagnetic radiation travel?

a) at variable speeds depending on the wavelength

b) at the speed of light

c) at the speed of sound

4) The higher the Pringle energy level ,n, the __ the nucleus the electron becomes.

a) father from

b) closer to

5) How does the energy of a principal energy level depend on the value of n? Does a higher value of n mean a higher or lower energy?

a) higher value of n means lower energy

b) the principal quantum number, n, does not correlate with energy level

c) higher value of n means higher energy