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Neutrons are:
All of the choices.
All of the choices.
Electrons Number
20 protons, 20 electrons and 20 neutrons
Atoms of different elements.
Number of electrons × relative charge of an electron.
22
1+
The three atoms protium, H(Z=1, A=1), deuteriumH(Z=1, A=2) and tritium H(Z=1, A=3)are:
All of the choices.
All of the choices.
Electrons Number
20 protons, 20 electrons and 20 neutrons
Atoms of different elements.
Number of electrons × relative charge of an electron.
22
1+
The two atomsX(Z=18, A=40) and Y(Z=20, A=40) are:
All of the choices.
All of the choices.
Electrons Number
20 protons, 20 electrons and 20 neutrons
Atoms of different elements.
Number of electrons × relative charge of an electron.
22
1+
In the calcium atom,Ca(Z=20, A=40) there are
All of the choices.
All of the choices.
Electrons Number
20 protons, 20 electrons and 20 neutrons
Atoms of different elements.
Number of electrons × relative charge of an electron.
22
1+
The charge of an electron cloud is equal to:
All of the choices.
All of the choices.
Electrons Number
20 protons, 20 electrons and 20 neutrons
Atoms of different elements.
Number of electrons × relative charge of an electron.
22
1+
For an atom X(Z,A)A is the:
All of the choices.
All of the choices.
Electrons Number
20 protons, 20 electrons and 20 neutrons
Atoms of different elements.
Number of electrons × relative charge of an electron.
22
1+
In the argon atom,Ar (Z=18, A=40)the number of neutrons is:
All of the choices.
All of the choices.
Electrons Number
20 protons, 20 electrons and 20 neutrons
Atoms of different elements.
Number of electrons × relative charge of an electron.
22
1+
The nuclear charge of the tritium atom,H(Z=1, A=1) is
All of the choices.
All of the choices.
Electrons Number
20 protons, 20 electrons and 20 neutrons
Atoms of different elements.
Number of electrons × relative charge of an electron.
22
1+
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