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zhuklara [117]
3 years ago
15

What is the oxidation number for each atom in NH4CI?

Chemistry
1 answer:
Alika [10]3 years ago
5 0
<span>N = +3, H = +1 ,Cl = -1
</span><span>

</span>
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A chart that organizes elements by their chemical properties and increasing atomic number is the
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Periodic table!

The periodic table organizes elements by their chemical properties (mainly through vertical columns known as groups) and increasing atomic number. 


8 0
3 years ago
Examine the following isotopes of silicon (Si).
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Answer:

They all have the same number of protons but different numbers of neutrons.

Explanation:

These are called isotopes. Isotopy is the existence of two or more atoms of the same element having the same atomic number but different mass numbers due to the differences in the number of neutrons in their various nuclei.

The atomic number is the number of protons in an atom. For a neutral atom, it is the same as the number of electrons.

The mass number is the number of protons and neutrons in an atom.

silicon-28 (28Si)

silicon-29 (29Si)

silicon-30 (30Si)

All of these isotopes have an atomic number of 16

Now let us chech for the neutrons:

 Number of neutrons = mass number - atomic number:

for silicon-28 (28Si)  : 28-16 = 12 neutrons

     silicon-29 (29Si) :   29-16 = 13 neutrons

     silicon-30 (30Si):    20-16 = 14 neutrons.

6 0
3 years ago
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How is solute concentration related to the solute-solvent interactions and the rate at which the solute dissolves?
shusha [124]

Answer:

B

Explanation:

solute is what gets dissolved in the solvent

ie: salt in water. salt is the salute and the more of it you add to the water (solvent) the more interactions will occur increasing rate

8 0
3 years ago
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Describing the Functions of Organic Compounds
cupoosta [38]

Answer:

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Explanation:

These terms simply have to be memorized, but understanding their structure can help you gain a better grasp of their functions.  Lipids have fatty acid chains with lots of bonds, so they are high energy.  Nucleic acids have pieces that can be rearranged into many combinations that can be read by certain structures.  Proteins are composed of different building blocks with different properties.  The sum of these properties is the function of the protein.  Lastly, carbohydrates have compact monomers that are extremely easy to break apart into energy.

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3 years ago
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Cocaine has been prepared by a sequence beginning with a Mannich reaction between dimethyl acetonedicarboxylate, methylamine, an
podryga [215]

Answer:

Explanation:

check the attached file for answers. Thanks

8 0
3 years ago
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