2. Sodium-24 decays into Magnesium-24 by ernitting an electron (-e) from the nucleus, What type of radiation does this process describe?
A. Alpha
B, Beta
C Gamma
D. X-ray

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green

Is water wet? my friends are debating.

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate according to the following equation: