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AS-Level Chemistry Cheat Sheet This "cheat sheet" provides a guide to answering subjective questions in Paper 2 for AS-Level Chemistry. Format your answers according to what is written in this webpage.
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AS-Level Chemistry Cheat Sheet
This "cheat sheet" provides a guide to answering subjective questions in Paper 2 for AS-Level Chemistry. Format your answers according to what is written in this webpage.
[Going down the group] ① Positive nuclear charge increases ② Electron shielding increases ③ Weaker nuclear attraction for outer shell e- ④ No. of e- occupied shells increases ⑤ Weaker nuclear attraction for outer shell e-
[Going across the period] ① Positive nuclear charge increases ② Electron shielding same
① X is giant ionic / giant covalent / simple molecule and Y is __________ ② Covalent / electrostatic forces of attraction / LDF / permanent dipole-dipole / hydrogen bonding occurs between X atoms / ions / molecules and __________ acts between Y ③ More heat energy is required to break / overcome __________ bonds / forces in X than __________ bonds / forces in Y. ④ Less energy required to remove e- from __________ than __________ ⑤ More energy required to remove e- from __________