Determine the stable isotope for the: U-250 will undergo the follow decay methods:
Step 1: Alpha
Step 2: Beta
Step 3: Beta
Step 4: Alpha
Step 5: Beta
Step 6: Alpha
Step 7: Alpha
Step 8: Beta
Step 9 : Alpha
Step 10: Stable

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line