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Flashcards by Deleted user, updated more than 1 year ago
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Created by Farha Idrees
over 8 years ago
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Copied by Farha Idrees
about 7 years ago
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| Question | Answer |
| What is an ion? | An ion is a charged atom. |
| Atoms that [gain/lose] electrons form negative ions. If atoms [gain/lose] electrons they form positive ions. | Atoms that gain electrons form negative ions. If atoms lose electrons they form positive ions. |
| What is the scientific name for: a) negatively charged ions b) positively charged ions | a) anions b) cations |
| True or False: Atoms of the same elements can never have a different amount of neutrons. | False. Atoms CAN have a different number of neutrons, and when they do, these are called isotopes |
| For example, two isotopes of carbon are carbon-12 and carbon-13. | The carbon-12 has six neutrons whilst the carbon-13 has seven |
| Isotopes have similar [chemical/physical] properties, but their [chemical/physical] properties, such as density, can differ. | Isotopes have similar chemical properties, but their physical properties, such as density, can differ. |
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