Write the symbols in the form AzE for the following isotopes: 18 protons and 20

Question

Write the symbols in the form AzE for the following isotopes:
18 protons and 20 neutrons
A calcium atom with a mass of 41
An arsenic atom with 42 atoms
A neutral atom with 17 electrons and 20 neutrons Write the symbols in the form AzE for the following isotopes:
18 protons and 20 neutrons
A calcium atom with a mass of 41
An arsenic atom with 42 atoms
A neutral atom with 17 electrons and 20 neutrons
18 protons and 20 neutrons
A calcium atom with a mass of 41
An arsenic atom with 42 atoms
A neutral atom with 17 electrons and 20 neutrons

Explanation / Answer

18 protons and 20 neutrons - 1838Ar

calcium atom with mass of 41 - 2041Ca

arsenic with 42 atoms - its very confusing. It should be 42 neutrons or lectrons. Please verify once

neutral atom with 17 electrons and 20 neutrons - 1737Cl

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