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Description
Flashcards by Deleted user, updated more than 1 year ago
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Created by Farha Idrees
over 7 years ago
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Copied by Farha Idrees
over 6 years ago
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| Question | Answer |
| How are electrons arranged in an element? | in energy levels or shells: 1st shell → 2 2nd shell → 8 3rd shell → 8 |
| Where is the lowest energy level? | The shell that is nearest to the nucleus. |
| What does the number of electrons on the outer shell tell you? | • which group number they belong to on the Periodic Table • how the atom will react |
| What is the electronic structure for sodium, which has 14 electrons? | 2,8,4 |
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