So sánh hiệu ứng cảm ứng (-I) của các nhóm sau: a. –F , -OH , -NH2
b. –O+R2 , -N+R3 , -F , -Cl , -Br , -I
c. -SOR , -NO2 , -SO2R

Amount of liquid measured in l or lm

Consider the nuclear equation below. 239 > x + 4 he 94 2 what is x? 1.235 cm 96 2.243 u 92 3.235 u 92 4.243 cm 96

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.