The general properties of Group 1 alkali metals are:
1. They form cations.
2. They are highly reactive.
3. They have a charge of +1.
4. They form ionic compounds.
5. When their oxides or hydroxides are reacted in water, they form alkalis i.e. bases.
6. They are usually soft in nature.
7. They have low densities.
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Answer:
. The old camera flash bulb used Mg metal sealed in a bulb with oxygen. At 25°C, the reaction is: Mg(s) + O2(a) → MgOS) AS (J/K.mol): Mg=32.7; O2=205.0; MgO=26.9 AH (kJ/mol: Mg=0; O2=0; MgO=-601.2
Explanation:
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