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3 years ago

Explain why gasoline will not dissolve in water.

Chemistry

2 answers:

MariettaO [177]3 years ago

8 0

Gasoline will not dissolve in water because gasoline has more density then the water

KengaRu [80]3 years ago

8 0

Water is a polar molecule. The general solubility rule is that "like dissolves like", meaning polar dissolves polar and non-polar dissolves non-polar. Gas is not polar therfore cannot be dissoled by water. :)

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Any element can always be identified by its:

Keith_Richards [23]

Atomic number.

The atomic number is what defines the element.

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3 years ago

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3 years ago

Whats the si unit chemist use to measure the amount of an element substance?

Westkost [7]

The SI unit for the amount of substance present is the mole.

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3 years ago

The element in Group 14 Period 4 has how many neutrons and is it a metal, nonmetal, metalloid or noble gas.

monitta

Number of neutrons=41, and it is metalloid

<h3>Further explanation</h3>

Group 14⇒valence electron = 4(ns²np²)

Period 4⇒n=4

So electron configuration of the element :

1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰, 4p² = 32 electron=atomic number

The element with atomic number 32, which is in period 4 and group 14 is Ge-Germanium

There are seven elements that can be classified as metalloids, namely boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te), and polonium (Po).

While the mass number: 73

So the number of neutrons = mass number-atomic number

$\tt 73-32=41$

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3 years ago

A detailed description please...

Fittoniya [83]

Answer:

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3 years ago