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3 years ago

Why do atoms exchange or share electrons during bonding

Chemistry

1 answer:

kondaur [170]3 years ago

5 0

Answer:

Because it gives them a full valence shell.

Explanation:

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Describe two hazards identified with hydrochloric acid?

DerKrebs [107]

Frostbite to the skin and Severe burning to the eyes.

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3 years ago

Which choices is a biotic factor of an ecosystem? • sun • ants • air • soil

mojhsa [17]

Answer:

Aboitic factor would be soil

Biotic factor would be ants.

Explanation:

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2 years ago

Polarity of a molecule depends on the polarity of individual bonds in that molecule.

NISA [10]

A. True, polarity refers to a separation of electric charge leading to a molecule or its chemical groups having an electric dipole moment

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3 years ago

Average atomic masses listed by IUPAC are based on a study of experimental results. Bromine has two isotopes 73 br and81 br, who

ddd [48]

Answer: The average atomic mass of element bromine is 80.4104 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 _{35}^{79}\textrm{Br}[/tex] isotope:

Mass of $_{35}^{79}\textrm{Br}$ isotope = 78.9183 amu

Percentage abundance of $_{35}^{79}\textrm{Br}$ isotope = 50.69 %

Fractional abundance of $_{35}^{79}\textrm{Br}$ isotope = 0.5069

For $_{35}^{81}\textrm{Br}$ isotope:

Mass of $_{35}^{81}\textrm{Br}$ isotope = 80.9163 amu

Percentage abundance of $_{35}^{81}\textrm{Br}$ isotope = 49.31 %

Fractional abundance of $_{35}^{81}\textrm{Br}$ isotope = 0.4931

Putting values in equation 1, we get:

$\text{Average atomic mass of Bromine}=[(78.9183\times 0.5069)+(80.9163\times 0.4931)]$

$\text{Average atomic mass of Bromine}=80.4104amu$

Hence, the average atomic mass of element bromine is 80.4104 amu.

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3 years ago

When do chemicals bond form

jenyasd209 [6]

Answer: Chemical bonds form when two or more molcules interact with eachother.

Explanation:

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4 years ago