4.2. Structure of the Nuclear Atom
Dalton theorized that atoms are indivisible, but the discovery of ___ particles changed
this theory - answer Subatomic
Scientist now know that atoms are made up of electron, which have a ___ charge; ___,
which have a positive charge; and ___, which are neutral - answer Negative, Protons,
Neutrons
The latter two particles are found in the ___ of the atom - answer Nucleus
It was ___ who discovered the nucleus of the atom - answer Ernest Rutherford
The nucleus, which has a ___ charge, occupies a very small volume of the atom -
answer Positive
The negatively charged ___ occupy most of the volume of the atom - answer Electrons
According to Dalton's atomic theory, atoms are composed of protons, electrons, and
neutrons - answer Never True
Atoms of elements are electrically neutral - answer Always True
The mass of an electron is equal to the mass of a neutron - answer Never True
The charge on all protons is the same - answer Always True
Negatively charged subatomic particles - answer Electrons
Stream of electrons produced at the negative electrode of a tube containing a gas at low
pressure - answer Cathode Ray
Positively Charged subatomic particles - answer Protons
Subatomic particles with no charge - answer Neutrons
The central core of an atom, which is composed of protons and neutrons - answer
Nucleus
Which subatomic particles are found in the nucleus of an atom? - answer Protons and
Neutrons
Which subatomic particles are charged? - answer Protons and Neutrons
Dalton theorized that atoms are indivisible, but the discovery of ___ particles changed
this theory - answer Subatomic
Scientist now know that atoms are made up of electron, which have a ___ charge; ___,
which have a positive charge; and ___, which are neutral - answer Negative, Protons,
Neutrons
The latter two particles are found in the ___ of the atom - answer Nucleus
It was ___ who discovered the nucleus of the atom - answer Ernest Rutherford
The nucleus, which has a ___ charge, occupies a very small volume of the atom -
answer Positive
The negatively charged ___ occupy most of the volume of the atom - answer Electrons
According to Dalton's atomic theory, atoms are composed of protons, electrons, and
neutrons - answer Never True
Atoms of elements are electrically neutral - answer Always True
The mass of an electron is equal to the mass of a neutron - answer Never True
The charge on all protons is the same - answer Always True
Negatively charged subatomic particles - answer Electrons
Stream of electrons produced at the negative electrode of a tube containing a gas at low
pressure - answer Cathode Ray
Positively Charged subatomic particles - answer Protons
Subatomic particles with no charge - answer Neutrons
The central core of an atom, which is composed of protons and neutrons - answer
Nucleus
Which subatomic particles are found in the nucleus of an atom? - answer Protons and
Neutrons
Which subatomic particles are charged? - answer Protons and Neutrons
