Positively charged particle
Particle with no charge
The center or core of the atom
Negatively charged particles
Particles found in the nucleus
Where are the electrons located?
The smallest of the subatomic particles
What is the atomic number?
What information does the atomic mass or mass number give us?
Which of the following will best help us determine the number of electrons?
What are the smallest particles or building blocks of matter?
What are pure substances that cannot be broken down in simpler substances by chemical means?
Greek philosopher who used the term atomos
Scientist who discovered the proton and the nucleus.
Scientist who identified the electron
Scientist who determined that electrons circle in specific layers or shells.
Scientist who discovered the neutron
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