Describing Nuclear Decay Use the drop-down menus to complete the
corresponding cells in the table to the right
Beta Deca
Alpha
Decay
Gamma
Decay
А
Type of
emission
electron or
postron
B
Penetrating
power
lowest
С c
D
Shielding
needed
then me
E
DONE

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule

Of the following elements, which is the least reactive? a. c b. h c. li d. he