Which of the following elements will form +4 ions?
a Germanium
b Magnesium
C Calcium
d Gallium

Clouds form when water vapor to form small droplets. a. humidifies b. condenses c. evaporates d. precipitates

What is the name of this hydrocarbon?

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .