Section 2.1 – 2.2 Review.

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Presentation transcript:

Section 2.1 – 2.2 Review

What are the three subatomic particles and their charge? What is an atom? Basic unit of matter What are the three subatomic particles and their charge? Proton + Neutron +/- Electron - Where are each of the above located in the atom? Proton – in nucleus Electron – outside nucleus Neutron – in nucleus

Who is this?

What is an isotope? What is a compound? What is a covalent bond? Same element with a different number of neutrons What is a compound? Two or more elements combined What is a covalent bond? Bond that occurs when electrons are shared What is an ionic bond? Bond occurs when electrons are stolen

Name these 2 characters:

Water is the only substance known to do what? What is adhesion? Attraction of different molecules What is cohesion? Attraction of same molecules What is a solution? All components are evenly distributed What is a suspension? Mixture where components can still be seen

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