Which element above has 8 protons in its nucleus?
a. oxygen
b. carbon
c. phosphorus
d. sulfur

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Iwill give extra points to who gets this right

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution