Use the drop-down menus to complete the
corresponding cells in the table to the right.
Alpha
Decay
Beta Decay
Gamma
Decay
Type of
emission
electron or
positron
Penetrating
power
lowest
D
Shielding
needed
thin metal
lead bricks

1. and 2. question: in which equation? or i don't understand you, 3. a), 4. c), 5. c), 6. b), 7. d), 8. d) if small number is underlined(behind symbol) , b) if big number is underlined(in front of symbol)9. what is underlined there? 10. c)

Ithink it’s 3 as the answer.

Matter- occupies space and possesses rest massno matter is the opposite