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Atoms
Use these to study for Test #2
Question | Answer |
---|---|
The tiny building blocks of matter are? | Atoms |
What particle has a positive charge? | Proton |
What particle has a neutral or no charge? | Neutron |
What particle has a negative charge? | Electron |
How do you find the mass number or atomic mass number? | Add the # of protons to the # of neutrons. |
Where are the protons and neutrons located in an atom? | In the nucleus. |
Where are the electrons located in an atom? | Orbiting around the atom outside the nucleus. |
How do you find the atomic number? | The # of protons. |
The number of protons is equal to the number of ____________ in an atom? | Electrons |