After a covalent bond has stabilized an atom, the atom will have
2 answers:
<u>Answer:</u> The atom will have a full valence electron shell.
<u>Explanation:</u>
Covalent bond is defined as the bond which is formed after the sharing of electrons takes place between the atoms. This is usually formed between two non-metals.
For Example: HCl is formed by the combination of hydrogen and chlorine atoms.
Hydrogen is the 1st element of the periodic table having electronic configuration of
Chlorine is the 17th element of the periodic table having electronic configuration of
Both the elements require 1 electron to complete their valence shell. Thus, both the elements will share electrons in order to form a stable compound of hydrogen chloride.
Hence, the atom will have a full valence electron shell.
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Explanation:
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Answer:
Explanation:
Given parameters:
pH = 3.50
Unknown:
concentration of [H₃0⁺] = ?
concentration of [OH⁻] = ?
Solution:
In order to find the unknown, we use some simple expressions which best explains the pH scale and the equilibrium systems of aqueous solutions.
pH = -log₁₀[H₃O⁺]
[H₃O⁺] = inverse log₁₀ (-pH) = =
[H₃O⁺] = 3.2 x 10⁻⁴moldm⁻³
For the [OH⁻]:
we use : pOH = -log₁₀ [OH⁻]
Recall: pOH + pH = 14
pOH = 14 - pH = 14 - 3.5 = 10.5
Now we plug the value of pOH into pOH = -log₁₀ [OH⁻]
[OH⁻] =
[OH⁻] = = 3.2 x 10⁻¹¹moldm⁻³
The solution is acidic as the concentration of H₃0⁺ is more than that of the OH⁻ ions.