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aivan3 [116]
4 years ago
11

If every oxygen ion (combined with an aluminum ion) has a charge of –2, what must the charge of each aluminum ion be? How can yo

u tell this? Also, what has to happen to an uncharged aluminum atom so that it will bond with oxygen?
Chemistry
1 answer:
Andrews [41]4 years ago
7 0
Each aluminium ion should have a charge of +2, because the sum of oxidation numbers must be zero.

The uncharged aluminium atom must lose two electrons to become an ion with +2 charge.

If you find some mistakes in my answer, please let me know!
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now put that into your own words; if you cant, try drawing pictures to help you :) that might help you revise too, but remember to add info underneath, otherwise you might not understand it when you come back to it later
7 0
3 years ago
Where does fusion regularly occur and what kind of energy is produced?
Pani-rosa [81]
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5 0
3 years ago
Read 2 more answers
Problema 5
malfutka [58]

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4 0
3 years ago
Why are water molecules polar? select one:
krek1111 [17]
B since Oxygen is more electronegative, meaning they have a strong stronger pull on the electrons creating poles
5 0
4 years ago
Evapotranspiration is the process by which
Tom [10]

Answer:

A: plants give off water vapor as a waste product as they process energy

Explanation:

Evapotranspiration in plants is defined as the process whereby water is evaporated from its leaves through transpiration during the process of photosynthesis. Different factors like wind, humidity, temperature and availability of water could make it vary.

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7 0
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