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3 years ago

Ionic bond form when one or more _ is transferred

Chemistry

1 answer:

Neko [114]3 years ago

3 0

Answer:

Ionic bonds form between two or more atoms by the transfer of 1 or more electrons between atoms. Electron transfer produces negative ions called anions and positive ions called cations. ... In forming an chemical bond, the sodium atom, which is electropositive, loses its negatron to chlorine.

Explanation:

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Antimony has two naturally occuring isotopes, 121 Sb and 123 Sb . 121 Sb has an atomic mass of 120.9038 u , and 123 Sb has an at

valina [46]

Answer:

Percentage abundance of 121 Sb is = 57.2 %

Percentage abundance of 123 Sb is = 42.8 %

Explanation:

The formula for the calculation of the average atomic mass is:

$Average\ atomic\ mass=(\frac {\%\ of\ the\ first\ isotope}{100}\times {Mass\ of\ the\ first\ isotope})+(\frac {\%\ of\ the\ second\ isotope}{100}\times {Mass\ of\ the\ second\ isotope})$

Given that:

Since the element has only 2 isotopes, so the let the percentage of first be x and the second is 100 -x.

For first isotope, 121 Sb :

% = x %

Mass = 120.9038 u

For second isotope, 123 Sb:

% = 100 - x

Mass = 122.9042 u

Given, Average Mass = 121.7601 u

Thus,

$121.7601=\frac{x}{100}\times 120.9038+\frac{100-x}{100}\times 122.9042$

$120.9038x+122.9042\left(100-x\right)=12176.01$

Solving for x, we get that:

x = 57.2 %

Thus, percentage abundance of 121 Sb is = 57.2 %

percentage abundance of 123 Sb is = 100 - 57.2 % = 42.8 %

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4 years ago

How does the electro negativity difference between atoms determine the type of bond they will form

siniylev [52]

The absolute value of the difference in electronegativity (ΔEN) of two bonded atoms provides a rough measure of the polarity to be expected in the bond and, thus, the bond type. When the difference is very small or zero, the bond is covalent and nonpolar. When it is large, the bond is polar covalent or ionic.

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3 years ago

Explain what a polar bond is and how the electronegativities of the two atoms in the bond compare.

Art [367]

A polar bond is a bond where there is an uneven distribution of charge in the molecule, due to the ability of more electronegative atoms to attract electron pairs towards themselves which creates an electric dipole. The more electronegative atom gets a partial positive charge and the less electronegative atom gets a partial positive charge.

For a bond between two atoms to be polar, the difference in electronegativity between the two atoms should be roughly between 0.5 and 2.0. In this case, the more electronegative atom will draw the charge density towards itself to create the dipole, but not strong enough to completely strip the other atoms of electrons. The bigger the difference in electronegativity, the more polar the bond.

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Electronegativities of the elements Br, Mg, Ca, and Sr follow a specific trend within their group. Based on this trend, the atom

monitta

Answer:

Explanation:

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