Author's Instructions
Revise the knowledge about:
- Identifying the atomic number and symbol of an element through the number of particles in an atom of the element and vice versa; calculating the electric charge and the atomic mass of an atom.
- Identifying components of a molecule; counting the number of atoms of each element in a specific number of molecules.
- Determine if the substance is an elementary substance or a compound.
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Revision 01
Author's Instructions
Revise the knowledge about:
- Identifying the atomic number and symbol of an element through the number of particles in an atom of the element and vice versa; calculating the electric charge and the atomic mass of an atom.
- Identifying components of a molecule; counting the number of atoms of each element in a specific number of molecules.
- Determine if the substance is an elementary substance or a compound.
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