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WorksheetsUnderstanding the atom
Total questions: 22
Worksheet time: 11mins
An ________ is the smallest piece of an element
atom
proton
matter
All atoms of an element have the same number of
protons
electrons
neutrons
What is the smallest particle
electron
neutron
proton
What particle has a (-) negative charge?
proton
neutron
electron
What particle has a (+) positive charge?
proton
neutron
electron
What particle has a (0) neutral charge?
proton
neutron
electron
What is the mass of a proton
1
0
What is the mass of a electron
1
0
What is the mass of a neutron
1
0
The atomic number equals _________________
mass of the atom
number of protons
number of neutrons
Atoms of an element with different number of neutrons
isotope
ion
radioactive
Atoms of an element with different number of electrons
isotope
ion
radioactive
What is the location of a proton?
nucleus
electron cloud
What is the location of a neutron?
nucleus
electron cloud
What is the location of a electron?
nucleus
electron cloud
A neutral atom loses one or more electrons. The result is ________.
the atom has a negative charge
the atom has a positive charge
the atom has a neutral charge
A neutral atom gains one or more electrons. The result is ________.
the atom has a negative charge
the atom has a positive charge
the atom has a neutral charge
What is #1
proton
neutron
electron
nucleus
What is #2
proton
neutron
electron
nucleus
What is #3
proton
neutron
electron
nucleus
What is #4
proton
neutron
electron
nucleus
The mass of an atom is the # of protons + ______________
# of electrons
# of neutrons
