Covalent Compounds

Ionic and Covalent Compounds

By NAUDIA LAWRENCE

Poll

How comfortable are you with distinguishing betweenIonic and Covalent Compounds?

• RED

• YELLOW

• Green

Let's review some important points

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Compounds can only be Covalent or Ionic

Metals never form compounds by themselves

Compounds are made of two or more different elements bonded together.

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Compounds therefore have IONIC bonds or Covalent Bonds

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Metallic bonds form between the atoms in a piece of metal and are usually elements​.

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Multiple Choice

Two categories of compounds are

• (1) covalent and molecular

• (2) covalent and metallic

• (3) ionic and molecular

• (4) ionic and metallic

Ionic Compounds have Metals and Non-metals in its structure.

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Any compound that has both types of Atoms are Ionic Compounds​

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IONIC COMPOUNDS

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Covalent compounds are also known as molecular compounds.

A covalent compounds has only Non-metals in its structure.

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COVALENT (Molecular) COMPOUNDS​

Multiple Choice

Which formula represents a molecular compound?

• (1) Kr

• (2) LiOH m

• (3) N₂O₄

• (4) NaI

Multiple Choice

A molecular compound is formed when a chemical reaction occurs between atoms of

• (1) chlorine (Cl) and sodium (Na)

• (2) chlorine (Cl) and yttrium (Y)

• (3) oxygen (O) and hydrogen (H)

• (4) oxygen and magnesium

Multiple Choice

Which formulas represent one ionic compound and one molecular compound?

• (1) N₂ and SO₂

• (2) Cl₂ and H₂S

• (3) BaC_l2 and N₂O₄

• (4) NaOH and BaSO₄

Multiple Choice

Identify the type of bond in O₂

• Ionic

• Molecular

• Metallic

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Take out your lab worksheet. We will now work on Part 2: ELECTRONEGATIVITY

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