Group 16 must gain 2 electrons to become stable as stated in my other answer
Hope this helped
Alkali metals is chemicals elements found In the Periodic tables Alkali metals have included Sodium Potassium Rubidium Cesium And Francium as for Earth metals they are beryllium magnesium calcium strontium barium and radium.
X= How much.
x+.10×20=.25(x+20)
use this equation to solve
then plug answer back in to check if it's right
the answer should be 4ml.
In my view
Wave on a rope
Laser
Light
Tv signal
Hope it helps