Multiple Choice
Which list describes the particles that make up an atom?
2. Atoms & Elements
Subatomic Particles
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Which statement is true about a proton and an electron?
A
Both a proton and an electron have the same mass.
B
A proton has a positive charge, while an electron has a negative charge.
C
A proton is negatively charged, while an electron is positively charged.
D
Protons and electrons are both found in the nucleus of an atom.
Verified step by step guidance1
Identify the properties of a proton: A proton is a subatomic particle found in the nucleus of an atom. It has a positive charge and a relative mass of approximately 1 atomic mass unit (amu).
Identify the properties of an electron: An electron is a subatomic particle that orbits the nucleus of an atom. It has a negative charge and a much smaller mass compared to a proton, approximately 1/1836 of a proton's mass.
Compare the charges of a proton and an electron: A proton has a positive charge (+1), while an electron has a negative charge (-1).
Evaluate the statement about mass: Protons and electrons do not have the same mass. Protons are significantly heavier than electrons.
Determine the location of protons and electrons in an atom: Protons are located in the nucleus, while electrons are found in the electron cloud surrounding the nucleus.
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