How many millilitres of 0.30 N NaOH are required to neutralize exactly 50.0 mL of 0.45 N H3PO4? (2 marks) (HINT: units of concentration are expressed in NORMALITY - N)

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table