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3 years ago

A bond formed between a silicon atom and an oxygen atom is likely to be ____.

Chemistry

2 answers:

m_a_m_a [10]3 years ago

6 0

Answer: Polar covalent

Explanation:

a) A covalent bond is formed when an element shares its valence electron with another element. This bond is formed between two non metals.

Types of covalent bonds:

A polar covalent bond is defined as the bond which is formed when there is a difference of electronegativities between the atoms. Example: $SiO_2$

Non-polar covalent bond is defined as the bond which is formed when there is no difference of electronegativities between the atoms.Example: $N_2$

b) An ionic bond is formed when an element completely transfers its valence electron to another element. The element which donates the electron is known as electropositive element and the element which accepts the electrons is known as electronegative element. This bond is formed between a metal and an non-metal. Example: $NaCl$

yanalaym [24]3 years ago

3 0

A bond formed between a silicon atom and an oxygen atom is likely to be polar covalent.

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Write the empirical formula for at least four ionic compounds that could be formed from the following ions:

CaHeK987 [17]

Answer:

Fe(CN)₂, FeCO₃, Pb(CN)₄, Pb(CO₃)₂

Explanation:

Cations (positively charged ions) can only form ionic bonds with anions (negatively charged ions). However, you can't just simply put one cation and one anion together to form a compound. Each compound needs to been neutral, or have an overall charge of 0. When cations and anions do not have charges that perfectly cancel, you need to modify the amount of each ion in the compound.

1.) Fe(CN)₂
-----> Fe²⁺ and CN⁻

-----> +2 + (-1) + (-1) = 0

2.) FeCO₃

-----> Fe²⁺ and CO₃²⁻

-----> +2 + (-2) = 0

3.) Pb(CN)₄

-----> Pb⁴⁺ and CN⁻

-----> +4 + (-1) + (-1) + (-1) + (-1) = 0

4.) Pb(CO₃)₂

-----> Pb⁴⁺ and CO₃²⁻

-----> +4 +(-2) + (-2) = 0

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Answer:

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Explanation:

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