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WorksheetsStructure of the Nuclear Atom Final
Total questions: 8
Worksheet time: 4mins
Who discovered the existence of a neutron
James Chadwick
J.J. Thomson
Robert Rutherford
John Dalton
All atoms are
positively charged, with the number of protons exceeding the number of electrons.
negatively charged, with the number of electrons exceeding the number of protons
neutral, with the number of protons equaling the number of electrons.
neutral, with the number of protons equaling the number of electrons, which is equal to the number of neutrons.
In which of the following sets is the symbol of the element, the number of protons, and the number of electrons given correctly?
In, 49 protons, 49 electrons
Zn, 30 protons, 60 electrons
Cs, 55 protons, 132.9 electrons
If a particle had 16 protons and 18 electrons, what would be the overall charge of the particle?
+2
+16
-2
0
In which of the following sets is the symbol of the element, the number of protons, and the number of electrons given correctly?
In, 49 protons, 49 electrons
Zn, 30 protons, 60 electrons
Cs, 55 protons, 132.9 electrons
what is an alpha particle
A hydrogen atom that has lost some of its electrons
A helium atom that has lost its negative particles
A hydrogen atom that has lost its protons
A helium atom that has lost its positive particles
The nucleus of an atom is
the central core and is composed of protons and neutrons.
negatively charged and has more protons than neutrons.
negatively charged and has a high density.
negatively charged and has a low density.
Rutherford's model of the atomic nucleus described it as ____.
a tiny central core of an atom, containing protons and neutrons
a positively-charged material in which electrons were lumped
a negatively-charged material in which electrons were lumped
a tiny central core of an atom, containing just neutrons
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