PhySci Target 1.1
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Recognize the position, mass, and charge of subatomic particles (protons, neutrons, electrons)
A.
Which of the following is the best definition of a proton?
- A negatively charged particle found in the nucleus.
- A particle that has no charge, but is found in the nucleus.
- A positively charged particle found in the nucleus.
- A positively charged particle found in the orbits.
B.
Which statement correctly describes the relationship between the charge of a proton and the charge of an electron?
- Protons and electrons have the same charge.
- Protons have a lower charge than electrons do.
- Protons and electrons have opposite charges.
- Protons have a charge of 0, electrons have a charge of -1.
C.
An atom's nucleus contains .
- neutrons only
- protons and electrons
- neutrons, protons, and electrons
- protons and neutrons
D.
Which is the negatively charged particle located outside the nucleus of the atom?
- electron
- neutron
- silicon
- proton