Chemical Bonding Flashcards

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1
Q

What is an ion

A

An ion is a charged atom or group of atoms.

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2
Q

What is an ionic bond

A

An ionic bond is the force of attraction between oppositely charged ions in a compound.

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3
Q

Why do elements react

A

Elements react to achieve a full outer shell of electrons.

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4
Q

An ionic bond happens between…..

A

A metal and a nonmetal, the natal looses an electron and the nonmetal gains an electron

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5
Q

An atom that looses electrons is _____________ charged

A

Positively

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6
Q

An atom that gains electrons is _____________ charged

A

Negatively

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7
Q

What are the properties of ionic compounds

A

Solids
High melting pints
Soluble in water
Conduct electricity when molten or dissolves in water

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8
Q

What are the properties of Covalent compounds

A

Liquids or gases
Low melting and boiling points
Insoluble in water
Don’t conduct electricity

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9
Q

Explain an ion

A

An ion is an atom that has lost or gained electrons

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10
Q

Name two compounds that use ionic bonding

A

Sodium chloride

Magnesium oxide

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11
Q

Name four molecules that use covalent bonding

A

O2
H2O
CH4
H2

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12
Q

Why can an ionic substance conduct electricity in water

A

The charges are free to move

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