Question

If L4=70° then L2 =
If L6 =85° then L4 =
L= 3=80° then L6 =
L2 =75° then L6 =
L5 =110° then L7 =
L1=120° then L7= ​

Answer 1

Answer:

Estimate the formula of the oxide of the following elements using the periodic table of mandrel:

K, C, Al, Si, Ba