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masha68 [24]
3 years ago
13

Which statement is most consistent with the plum pudding model of the atom?

Chemistry
2 answers:
djyliett [7]3 years ago
7 0

Answer: 4) Negative particles are embedded in atoms


Explanation:


The plum pudding model of the atom depicts the atom as a solid sphere, positvely charged (pudding), and the negative charge, electrons (plums) uniformly distributed in the solid sphere (embedded in the pudding).


This is the electrons were distributed uniformly inside in a whole positive charge, just like plums in a pudding.


The scientist J.J. Thompson firts proposed this model to explain the neutral nature of the matter after the discovery of the electron.


Later, by 1911, the scientist Ernest Rutherforf, came out with the nuclear model of the atom as result of the gold foil experiment, which leat to think that the atom was mostly empty space (electrons surrounding a tiny nucleus).


lianna [129]3 years ago
3 0
The answer to this question would be: <span>1) Electrons occupy regions of space
</span><span>
In plum pudding model, the atoms are drawn as pudding and the negative particle is spread around the pudding. In this model, the electron is spread but not moving in orbit. Rutherford model that comes afterward is the one that says most of the atoms is empty space.</span>
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If 0.380 mol of barium nitrate is allowed to react with an excess of phosphoric acid, 0.127 moles of barium phosphate could be formed.

<h3>How to calculate number of moles?</h3>

The number of moles of a compound can be calculated stoichiometrically as follows:

Based on this question, the following chemical equation is given:

Ba (NO3)2+ H3PO4 → Ba3(PO4)2+ HNO3

The balanced equation is as follows:

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3 moles of barium nitrate produces 1 mole of barium phosphate

Therefore, 0.380 moles of barium nitrate will produce 0.380/3 = 0.127moles of barium phosphate.

Learn more about stoichiometry at: brainly.com/question/9743981

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