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Svet_ta [14]
3 years ago
11

Which subatomic particles have a mass of approximately 1 atomic mass unit each?

Chemistry
1 answer:
Sedbober [7]3 years ago
5 0
Great question! The subatomic particles that have most of the mass in the particle are the positive proton, and the neutral neutron. Therefore, protons and neutrons are the two subatomic particles have approximately 1 atomic mass unit each.
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An ionic bond occurs between what particles?
atroni [7]

Answer:

A positive and negative ion.

Explanation:

Ionic bond:

It is the bond which is formed by the transfer of electron from one atom to the atom of another element.  

Both bonded atoms have very large electronegativity difference.

The atom with large electronegativity value accept the electron from other with smaller value of electronegativity.

For example:

Sodium chloride is ionic compound. The electronegativity of chlorine is 3.16 and for sodium is 0.93. There is large difference is present. That's why electron from sodium is transfer to the chlorine. Sodium becomes positive and chlorine becomes negative ion.  Sodium have one valance electron while chlorine have 7 valance electrons. In order to complete the octet chlorine require one electron while sodium need to lose its one electrons. That's why when both atom combine sodium lose its electron and becomes positive ion i.e cation while chlorine accept its electron and becomes negative ion called anion and bond between them is ionic bond.

4 0
3 years ago
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Give an example of a time when you would want to increase friction.
Snezhnost [94]

1) you want to increase friction when it gets cold. If you're outside and it's really cold, you're going to rub your hands to warm them up, therefore friction is increasing

I'm not do sure about decreasing.

6 0
3 years ago
Qué permite las reacciones de redox
liberstina [14]

Explanation:

I am not understanding your question

5 0
2 years ago
What does it mean to neutralize a chemical solution?
ELEN [110]

Answer:

A neutralized solution in chemistry refers to the reaction between an acid and base that results in a neutral balance, or a measure of 7 on the pH scale.

Explanation:

4 0
3 years ago
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Calculate concentration of methylene blue . Give answer in molarity. concentration in ppm=4.8
PSYCHO15rus [73]

Answer:

The molarity of methylene blue is 1.5 × 10⁻⁵ M

Explanation:

When we talk about aqueous solutions, 1 ppm means 1 mg of solute per liter of solution. We need to express this concentration in molarity, which is moles of solute per liter of solution. To convert mass to moles we need the molar mass of methylene blue(MB), which is 320 g/mol.

Then,

\frac{4.8mgMB}{1Lsolution} .\frac{1gMB}{10^{3}mgMB } .\frac{1molMB}{320gMB} =1.5 \times 10^{-5} M

8 0
3 years ago
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