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3 years ago

A chemical bond between two atoms results from a simultaneous

Chemistry

2 answers:

Elena L [17]3 years ago

7 0

If you are asking for the word for this definition it is a attraction by the two nucluei

Sedbober [7]3 years ago

5 0

Answer:

B. attraction by the two nuclei for the electrons

Explanation:

From Castle Learning

The positive protons located in the nucleus attract a pair of electrons which forms a bond between atoms

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4. Is the mass of the products of a nuclear fission reaction compared to

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Answer:

E. a nucleus with either greater or smaller atomic number

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3 years ago

Magnesium (24.30g) reacts with hydrogen chloride (xg) to produce hydrogen gas(2.04g) and magnesium chloride (96.90g). How much h

weqwewe [10]

Answer:

Answer is 74.42 if you are on cK-12.

Explanation:

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3 years ago

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The process of pouring a mixture through a filter to catch the larger particles, while allowing the smaller particles to pass th

ki77a [65]

It’s is b. Filtration

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3 years ago

What is the difference between gamma radiation and x-ray radiation?

kicyunya [14]

X-ray radiation can be deadly but its only deadly in large amounts when you get an x-ray it is only for a picture. Gamma radiation is the most harmful radiation as it penetrates everything and gives off deadly radiation and it isn't very common.

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3 years ago

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Naturally occurring element X exists in three isotopic forms: X-28 (27.979 amu, 92.21% abundance), X-29 (28.976 amu 4.70% abunda

bezimeni [28]

Answer: The average atomic mass of X is 28.09 amu

Explanation:

Average atomic mass of an element is defined as the sum of masses of each isotope each multiplied by their natural fractional abundance.

Formula used to calculate average atomic mass follows:

$\text{Average atomic mass }=\sum_{i=1}^n\text{(Atomic mass of an isotopes)}_i\times \text{(Fractional abundance})_i$ .....(1)

For isotope 1:

Mass of isotope 1 = 27.979 amu

Percentage abundance of isotope 1 = 92.21 %

Fractional abundance of isotope 1 = 0.9212

For isotope 2:

Mass of isotope 2 = 28.976 amu

Percentage abundance of isotope 2 = 4.70 %

Fractional abundance of isotope 2 = 0.0470

For isotope 3:

Mass of isotope 3 = 29.974 amu

Percentage abundance of isotope 3 = 3.09 %

Fractional abundance of isotope 3 = 0.0309

Putting values in equation 1, we get:

$\text{Average atomic mass of X}=[(27.979\times 0.9212)+(28.976\times 0.0470)+(29.974\times 0.0309)]$

$\text{Average atomic mass of X}=28.09amu$

Hence, the average atomic mass of X is 28.09 amu

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3 years ago