Quasars are isolated supermassive black holes, and not associated with galaxies.
a. True
b. False
Indicate whether the statement is true or false
Question 2
A neutral atom must have ____.
a. an equal number of protons and neutrons
b. an equal number of protons and electrons
c. an equal number of neutrons and electrons
d. less electrons than protons
e. more electrons than neutrons