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The charges of the ions are used to determine the number of each atom in an ionic formula. The charges must balance to ensure that the overall compound is electrically neutral. Cross-multiplying the charges of the ions helps to determine the subscript of each atom in the formula.
The atomic number of an element can be used to determine the number of electrons in an atom. It is equal to the number of protons in the nucleus of an atom, which also corresponds to the number of electrons in a neutral atom.
The number of protons determine which element an atom is and normally the number of electrons is equal to it. Strip an electron off an iron atom and you have an ionised iron atom.
Number of protons or the atomic number of an atom determines what is the element.
An ion is formed when an atom gains or loses electrons, giving it a positive or negative charge. You can determine if an atom is an ion by looking at its number of electrons compared to its atomic number. If the number of electrons is not equal to the number of protons, the atom is an ion.
the oxidation state of each atom
the oxidation state of each atom
The charges of the ions are used to determine the number of each atom in an ionic formula. The charges must balance to ensure that the overall compound is electrically neutral. Cross-multiplying the charges of the ions helps to determine the subscript of each atom in the formula.
Oxidation state is what determines the number of each atom. This is in the ionic formula.
The number of protons
atomic number
The atomic number of an element can be used to determine the number of electrons in an atom. It is equal to the number of protons in the nucleus of an atom, which also corresponds to the number of electrons in a neutral atom.
The number of protons in the nucleus of an atom determines the atomic number of the element to which the atom belongs.
The number of protons determine which element an atom is and normally the number of electrons is equal to it. Strip an electron off an iron atom and you have an ionised iron atom.
Number of protons or the atomic number of an atom determines what is the element.
An ion is formed when an atom gains or loses electrons, giving it a positive or negative charge. You can determine if an atom is an ion by looking at its number of electrons compared to its atomic number. If the number of electrons is not equal to the number of protons, the atom is an ion.
In a neutral atom the total number of electrons is equal to the number of protons and atomic number.