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frutty [35]
3 years ago
15

What is in the center of an atom? what is this portion of the atom called?

Chemistry
1 answer:
Ludmilka [50]3 years ago
6 0
The Nucleus: The Center of an Atom. The nucleus, that dense central core of the atom, contains both protons and neutrons. Electrons are outside the nucleus in energy levels.
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1.A

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If 54 g of Al reacted with 160 g of O2, find out the weight of product​
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The Heat. hope it works. Thanks

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3 years ago
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Which is a positive effect of the technology advance of going from a compass to a gps
egoroff_w [7]

Answer:

Compass - Gps                              

Explanation:

I belive the pro's                                      and cons are

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the direction you                               to give you directions

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a device not a paper map

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4 0
3 years ago
Using the equations and enthalpy values provided, which mathematical expression can be used to determine the unknown enthalpy ch
vlabodo [156]
In order to solve this, we need to make use of Hess' Law.

We are already given the equations and their corresponding deltaH. Using Hess' Law, we can generate this equation:
104 kJ = x - (-1182 kJ) - (-1144 kJ)

Among the choices, the answer is
<span>B.104 = x - [(-1182) + (-1144)] 
</span>
3 0
3 years ago
Read 2 more answers
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