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Chemistry > Unit 1 - Section 3 > Flashcards

Unit 1 - Section 3 Flashcards

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1
Q

What is the charge of ammonium (NH4)

A

1+

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2
Q

What is the charge of carbonate (CO3)

A

2-

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3
Q

What is the charge of hydroxide (OH)

A

1-

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4
Q

What is the charge of nitrate (NO3)

A

1-

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5
Q

What is the charge of sulfate (SO4)

A

2-

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6
Q

What is a co-ordinate bond?

A

A covalent bond where one atom donates all the bonded electrons

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7
Q

What is the name of a molecule with 2 electron pairs and what is it’s bond angles?

A

Forms a linear shape and the bond angle is 180 degrees

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8
Q

What is the name of a molecule with 3 electron pairs and what is it’s bond angles?

A

Forms a trigonal planar and the bond angle is 120 degrees

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9
Q

What is the name of a molecule with 4 electron pairs and what is it’s bond angles?

A

Forms a tetrahedral shape and has a bond angle of 109.5 degrees

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10
Q

What is the name of a molecule with 3 electron pairs and 1 lone pair of electrons, and what is it’s bond angles?

A

Forms a trigonal pyramidal and the bond angles are 107 degrees

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11
Q

What is the name of a molecule with 2 electron pairs and 2 lone pair of electrons, and what is it’s bond angles?

A

Forms a bent molecule or a non-linear one and the angles are 104.5 degrees

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12
Q

What is the name of a molecule with 5 electron pairs, and what is it’s bond angles?

A

Forms a trigonal bipyramidal shape and the angles are 120 degrees between the middle of the molecule and 90 degrees between the top and middle of the molecule

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13
Q

What is the name of a molecule with 4 electron pairs and 1 lone pair of electrons, and what is it’s bond angles?

A

Forms a seesaw shape and the bond angles are 102 degrees between the two middle atoms and 86.5 degrees between the top atom and the middle atoms

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14
Q

What is the name of a molecule with 6 electron pairs and what is it’s bond angles?

A

Forms a octahedral molecule and between all the atoms the bond angles are 90 degrees

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15
Q

What is the name of a molecule with 5 electron pairs and 1 lone pair of electrons, and what is it’s bond angles?

A

Forms a square pyramidal and all the bond angles are 90 degrees

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16
Q

What is the name of a molecule with 4 electron pairs and 2 lone pair of electrons, and what is it’s bond angles?

A

Forms a square planar molecule and between all the atoms the bond angles are 90 degrees

17
Q

What are the properties of metal?

A

Melting point - high melting point

Ability to be shaped - there are no bonds holding them in shape so they can easily be shaped

Conductivity - are conducive

Solubility - insoluble because of the strength of the bonds

Chemistry (9 decks)

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