a. Define the terms: proton, neutron and electron. b. An atom X has a proton number of

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a. Define the terms: proton, neutron and electron.

b. An atom X has a proton number of 19 and relative atomic mass of 39.

(i) How many electrons, protons and neutrons are there in an atom of X?

(ii) How many electrons will there be in the outer energy level (shell) of an atom of X?

(iii) What is the electronic configuration of X?

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Chemistry

ISBN: 9781444176445

3rd Edition

Authors: Bryan Earl, Doug Wilford

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Question Posted: Aug 25, 2021 01:06 AM

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a. Define the terms: proton, neutron and electron. b. An atom X has a proton number of

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a PROTON A stable subatomic particle occuring in all atomic nuclei with a positive electric charge e...View the full answer

Chemistry

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