Duke wants to zap Ethan with his radiation tazer. Ethan is hiding behind a brick wall. Which type of radiation beam should Duke use to shoot the through the wall to hit Ethan?
a. Gamma Beam
b. Beta Beam
c. Alpha Beam
d. Boomerang beam

What is the density of the black hole

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

What does an electron configuration for an atom relate to the atoms placement on the periodic table