1 ai) Subatomic particles of an atom are protons, neutrons & electrons. Isotopes are atoms of same element with same number of protons but different number of neutrons.
CIE A Level Physics (9702) Solved Past Paper May/June 2019 P22
CIE A Level Physics (9702) Solved Past Paper May/June 2019 P22
CIE A Level Chemistry (9701) Solved Past Paper Oct/Nov 2019 P21
1 ai) Oxidizing agents bring oxidation to other species in the reaction and get reduced themselves. In this Q, MnO2 is the oxidizing agent which oxidizes Cl- ion from -1 to 0 and gets reduced from +4 to +2. b) Volatility is a property which explains how fast a substance vapourizesmand it decreases down goup VII. Vapourization is quicker at…
CIE IGCSE Chemistry Solved Past Paper Oct/Nov 2019 P41
CIE IGCSE Chemistry Solved Past Paper Oct/Nov 2019 P41
CIE A Level Chemistry (9701) Solved Past Paper May/June 2019 P23
CIE A Level Chemistry (9701) Solved Past Paper May/June 2019 P23
CIE A Level Chemistry (9701) Solved Past Paper May/June 2019 P21
CIE A Level Chemistry (9701) Solved Past Paper May/June 2019 P21
CIE A Level Physics Solved Past Paper May/June 2019 P21
CIE A Level Physics Solved Past Paper May/June 2019 P21
CIE IGCSE Chemistry Solved Past Paper May/June 2019 P43
CIE IGCSE Chemistry Solved Past Paper May/June 2019 P43