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irakobra [83]
3 years ago
15

What do you look at to tell the reactivity of an atom?

Chemistry
1 answer:
tia_tia [17]3 years ago
8 0

Answer:

The number of electrons in the outermost shell of an atom determines its reactivity. Noble gases have low reactivity because they have full electron shells. Halogens are highly reactive because they readily gain an electron to fill their outermost shell.

Explanation:

I hope this helped!

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_Al2O3+heat=_Al+_O2​
Natalka [10]

Answer:

6.

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7.

2AI+ 6HCl -> 3H2 + 2AlCl3

Reaction type: Single Replacement

8.

IDK

Reaction type: Double Replacement?

Explanation:

8 0
3 years ago
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shutvik [7]
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Lynna [10]

Answer:

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Explanation:

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4 0
3 years ago
How does a wave get taller as
Anarel [89]

The reason why a wave get taller as it gets closer to shore is that the shallow water at the bottom of the wave makes the wave length smaller. Option B

<h3>What is a wave?</h3>

A wave is a disturbance that occurs along a medium which transmits energy. Now we now that waves travel from place to place. The horizontal distance that is travelled by a wave is what we call the wavelength of the wave.

As the wave approaches the shore, the wave tends to slow down because it is dragged from beneath. In the process, the wave grows taller. Thus, the reason why a wave get taller as it gets closer to shore is that the shallow water at the bottom of the wave makes the wave length smaller. Option B

Learn more about wavelength:brainly.com/question/13533093

#SPJ1

4 0
1 year ago
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garik1379 [7]

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Explanation:

7 0
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