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Contact [7]
3 years ago
11

ANSWER ASAP AND I WILL GIVE BRAINLYEST!!!!

Chemistry
1 answer:
den301095 [7]3 years ago
8 0

Answer:

C

Explanation:

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What structure holds the sister chromatids to the spindle fibers?
olganol [36]
The answer is <span>a. kinetochore.

A kinetochore is a protein structure that holds the </span><span>sister chromatids to the spindle fibers. It is the place on chromatids where the spindle fibers bind during the cell division. As the result, sister chromatids are pulled apart to the opposite ends of the cell.</span>
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3 years ago
How do ions form bonds, and describe the structure of the resulting compound.​
Artemon [7]

Answer:

Electrons are transferred between atoms together in the ionic compound. The ions are arranged in a regular repeating pattern in an ionic crystal

Explanation:

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2 years ago
What did Thomson’s model of the atom include that Dalton’s model did not have?
Allushta [10]
Thomson's model included Protons and Electrons. His model is referred to as 'Plum Pudding' because of it.
6 0
3 years ago
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How does a parallel circuit differ from a series circuit?
victus00 [196]

I believe it is B.  A series circuit has one path for electrons, but a parallel circuit has more then one path.

Could I Have brainliest?

6 0
3 years ago
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Which type of reaction is Pb(NO3)2 + 2HCl → PbCl2 + 2HNO3?
Ganezh [65]

Answer:- D. Double- replacement reaction

Explanations:- In general, the decomposition reactions looks like:

AB\rightarrow A+B

The given reaction looks different than this and so it is not decomposition reaction.

A single-replacement reaction looks like:

AB+C\rightarrow AC+B

Our reaction looks different from this so single-replacement is also not correct.

Synthesis reaction looks exactly opposite to decomposition reaction.

A+B\rightarrow AB

The given reaction is different than this and so it is not synthesis reaction also.

A double-replacement reaction looks like:

AB+CD\rightarrow AD+CB

In this reaction, the ions are exchanged as could be seen in the general reaction. On reaction side,A is with B and C is with D. On product side, A is with D and C is with B.

The same is happening in the given reaction. Nitrate ion is with lead metal on reactant side and chlorine is with hydrogen, On product side, Chlorine is with lead metal and nitrate ion is with hydrogen. So, ion exchange has taken place here and so this is a double-replacement reaction and choice D is correct.

4 0
3 years ago
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