Compared to the average size of a hydrogen atom, the average size of a helium atom is
A) larger.
B) smaller.
C) about the same.
Answer: B
Physics & Space Science
You might also like to view...
Matter waves are also called ______________ waves
Fill in the blank(s) with correct word
Physics & Space Science
________ occurs when an electron in an atom jumps from a lower energy orbital to a higher energy orbital.
A. Acceleration B. Ionization C. Relaxation D. Excitation
Physics & Space Science
As a parcel of air is swept upward, with no heat input or output, its temperature
A) increases. B) decreases. C) remains the same.
Physics & Space Science
Analog sound signals are produced by
A) phonograph records. B) CDs. C) DVDs. D) all of the above E) none of the above
Physics & Space Science