The speed of the rotation of Earth has the greatest effect on which of the following? A Length of day and night
B Path of the Moon’s orbit
C Length of a year
D Path of orbit around the Sun

Elements that do not have full outer electron shells will donate, share, or take electrons from other atoms. choose the items that have the correct binary ionic formula.

How many moles does 80.0 h2o respresent

Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas.caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible.relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)