Parts of an Atom
Ramona Pereira Parts of an Atom
Choose the correct answer
What is the smallest particle of an element?
Molecule
Atom
Ion
Compound
What charge does a proton have?
Positive
Negative
Neutral
Variable
What is the charge of an electron?
Positive
Negative
Neutral
Variable
What is the atomic number of an element?
The number of protons
The number of electrons
The number of neutrons
The number of atoms
What is the mass number of an element?
The number of protons
The number of electrons
The number of neutrons
The number of atoms
What is the charge of an ion?
Positive or negative
Positive only
Negative only
Neutral
What is the difference between an isotope and an element?
An isotope has a different number of electrons
An isotope has a different number of protons
An isotope has a different number of neutrons
An isotope has a different number of atoms
Which subatomic particle has the least mass?
Proton
Electron
Neutron
Nucleus
What is the process by which an atom becomes an ion?
Electron affinity
Ionization
Oxidation
Reduction
What is the maximum number of electrons that can occupy the first energy level of an atom?
2
4
6
8
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