Transcription of 1.1 Atomic Structure - pmt.physicsandmathstutor.com
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1.1 Atomic Structure - pmt.physicsandmathstutor.com
PRACTICE EXAMINATION QUESTIONS FOR Atomic Structure (includes some questions from Periodicity) 1. (a) Complete the following table. Relative mass Relative charge Neutron Electron (2) (b) An atom has twice as many protons as, and four more neutrons than, an atom of 9Be. Deduce the symbol, including the mass number, of this atom.. (2) (Total 4 marks) 2. (a) Define the terms (i) mass number of an atom, .. (ii) relative molecular mass.. (3) (b) (i) Complete the electron arrangement for a copper atom. 1s2 .. (ii) Identify the block in the Periodic Table to which copper belongs.. (iii) Deduce the number of neutrons in one atom of 65Cu .. (3) Mill Hill High School 1 (c) A sample of copper contains the two isotopes 63Cu and 65Cu only. It has a relative Atomic mass, Ar, less than 64.
PRACTICE EXAMINATION QUESTIONS FOR 1.1 ATOMIC STRUCTURE (includes some questions from 1.4 Periodicity) 1. (a) Complete the following table. Relative mass . Relative charge : Neutron ; Electron (2) (b) An atom has twice as many protons as, and four more neutrons than, an atom of 9Be.
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