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3 years ago

Which of the reactants shown is a base

Chemistry

2 answers:

aniked [119]3 years ago

7 0

NacI because like it do . hope it helps

Licemer1 [7]3 years ago

3 0

I got it right it’s nacl

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4 years ago

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Are the particles in a gas farther apart or closer together than the particles in a liquid? Use your answer to explain each of t

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farther apart just look up states of matter :)

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2 years ago

It supports the subclaim because everything around us has energy.

miss Akunina [59]

Answer:

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Explanation:

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4 years ago

How many protons electrons and neutrons respectively does 29 CS have

irakobra [83]

$55 \; \text{e}^{-}$ , $55 \; \text{p}^{+}$ , and $74 \; \text{n}^{0}$ - in case cesium-129 is what you were referring to.

Cesium has atomic number $55$ as seen on a modern periodic table. A cesium atom nucleus would thus contain an equal number of protons; in addition to that, a <em>neutral</em> atom of cesium would contain the same number of electrons in its electron cloud.

For a particular isotope,

$\text{Mass number} = \text{Number of protons per nuclei} + \text{Number of Neutrons per nuclei}$ .

This isotope of cesium has a mass number of $129$ and contains $55$ protons in each atomic nucleus. One cesium nuclei would therefore contain $129 - 55 = 74$ neutrons.

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3 years ago