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atoms and matter
| Question | Answer |
|---|---|
| protons have a _______ charge. | positive |
| neutrons have a _______ charge. | no charge |
| electrons have a _______ charge. | negative |
| protons are located in the _______. | nucleus |
| electrons are located in the _______. | electron cloud |
| an atom that has a charge because it has gaine or lost electrons | ion |
| one or more atoms of an element having the same numberof protons but a different number of neutrons. | isotope |
| most of the mass is contained in the _______. | nucleus |
| mixtures that are not evenly mixed | heterogeneous |
| mixtures that are evenly mixed that are not bonded together | homogeneous |
| also know as a sulution | homogeneous |