| ID (hidden) | 1539d1be6033425b9f92a888e44992ba-ao-6 |
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| Text | The alkali metals react with dihydrogen at about 673K (lithium at {{c1::1073K}}) to form hydrides. All the alkali metal hydrides are {{c1::ionic solids}} with {{c1::high melting points}}. |
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| ID (hidden) | 9a9a799faca745f296bdccbe9d0248f0-ao-3 |
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