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sertanlavr [38]
3 years ago
14

The central core of an atom is called the

Chemistry
1 answer:
Klio2033 [76]3 years ago
8 0
Nucleus of the atom, that contains protons and neutrons.
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Which best describes a stock solution that is used in a dilution?
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A stock solution is a solution of a known concentration. Stock solution has a high concentration and therefore, the known amount of stock solution is used for preparing different concentrations, by diluting the same with the known amount of the solvent being used, such as water. 
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Outline two methods used by designers to assemble packages​
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Product packaging design refers to the production of a product's exterior. Develop an organization. All these specifics allow one to consider what the sealed substance is about how to use it, who can use it, and maybe, What do you sell? For your product, there are several different packaging forms available.

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2 years ago
Which substance has a chemical formula with the same ratio of metal ions to nonmetal ions as in potassium sulfide?
pav-90 [236]
Answer=1

Potassium Sulfide= K2S (two metals, one non metal)


Sodium Oxide=Na2O (two metals. one nonmetal)

Sodium Chloride=NaCl (one metal, one nonmetal)

Magnesium Oxide=MgO (one metal, one nonmetal)

Magnesium Chloride=MgCl2 (one metal, two nonmetals)
6 0
3 years ago
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Which of the following is not a possible effect of increasing carbon dioxide levels in the atmosphere? a. increase in water cont
nikitadnepr [17]

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D. reducation of cold-related deaths

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CO2 had nothing to do with coldness.

- CO2 would increase water pollution, ocean acidification, and logging therefore D. is the only answer that would fit.

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