Review
Which of the following is not considered matter? light heat carbon oxygen both a and b
What are atoms made of? protons electrons neutrons all of the above
If an atom has an extra neutron, what happens to its charge? The atom becomes more negative. The atom becomes lighter. The atom becomes heavier. The atom is negatively charged. The atom is unstable.
Where are electrons located? in the nucleus outside the nucleus with the protons none of the above
What does atomic number represent? the number of protons the number of neutrons the number of electrons all of the above
Lesson - Subatomic Particles
- Atomic Number
- Mass Number
- Nuclear Symbol
- Isotopes
- Electron
- Shells
- Orbitals
- Configuration
- Ions
- Posted on the board at the end of the block.
Homework
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Standard(s)
- HS-PS1-1
- Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.
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