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The number of elements in this set V(Z=7, A=14), W(Z=7, A=13), X(Z=6, A=12), Y(Z=7,A=13) and Z(Z=6,A=13) is:
Different elements.
The Nucleus.
Electrons, Protons and Neutrons.
Atoms that have the same atomic number but different mass numbers.
Atomic number.
Number of electrons = A – N.
2
Protons balance Electrons
Isotopes are:
Different elements.
The Nucleus.
Electrons, Protons and Neutrons.
Atoms that have the same atomic number but different mass numbers.
Atomic number.
Number of electrons = A – N.
2
Protons balance Electrons
The number of electrons can be determined by:
Different elements.
The Nucleus.
Electrons, Protons and Neutrons.
Atoms that have the same atomic number but different mass numbers.
Atomic number.
Number of electrons = A – N.
2
Protons balance Electrons
The atom is electrically neutral since:
Different elements.
The Nucleus.
Electrons, Protons and Neutrons.
Atoms that have the same atomic number but different mass numbers.
Atomic number.
Number of electrons = A – N.
2
Protons balance Electrons
The mass of the atom is concentrated in:
Different elements.
The Nucleus.
Electrons, Protons and Neutrons.
Atoms that have the same atomic number but different mass numbers.
Atomic number.
Number of electrons = A – N.
2
Protons balance Electrons
The main subatomic particles are:
Different elements.
The Nucleus.
Electrons, Protons and Neutrons.
Atoms that have the same atomic number but different mass numbers.
Atomic number.
Number of electrons = A – N.
2
Protons balance Electrons
For X (Z,A), Z is the:
Different elements.
The Nucleus.
Electrons, Protons and Neutrons.
Atoms that have the same atomic number but different mass numbers.
Atomic number.
Number of electrons = A – N.
2
Protons balance Electrons
Cl(Z=17, A=35) and X(Z=18, A=35) are:
Different elements.
The Nucleus.
Electrons, Protons and Neutrons.
Atoms that have the same atomic number but different mass numbers.
Atomic number.
Number of electrons = A – N.
2
Protons balance Electrons
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