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Year 11 Chemistry! > Essential Chemistry!! > Flashcards

Essential Chemistry!! Flashcards

1
Q

What is the chemical formula for carbonate?

A

CO3 2-

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2
Q

What is the chemical formula for hydrogen carbonate (or bicarbonate)?

A

HCO3-

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3
Q

What is the chemical formula for hydroxide?

A

OH-

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4
Q

What is the chemical formula for nitrate?

A

NO3-

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5
Q

What is the chemical formula for nitrite?

A

NO2-

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6
Q

What is the chemical formula for phosphate?

A

PO4 3-

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7
Q

What is the chemical formula for sulfite?

A

SO3 2-

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8
Q

What is the chemical formula for sulfate?

A

SO4 2-

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9
Q

What is the chemical formula for sulfide?

A

S2-

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10
Q

What is the chemical formula for chloride?

A

Cl-

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11
Q

What is the chemical formula bromide?

A

Br-

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12
Q

What is the chemical formula for iodine?

A

I-

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13
Q

What is the chemical formula for fluoride?

A

F-

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14
Q

What is the order of the Aufbau diagram?

A

1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p

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15
Q

How many electrons in s?

A

One pair of two.

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16
Q

How many electrons in p?

A

Three pairs of two (six all altogether).

17
Q

How many electrons in d?

A

Five pairs of two (ten all together).

18
Q

How do you figure out how many valence electrons are in groups?

A

In Groups 1 and 2, it is simply the same (in Group 1, there is only 1, in Group 2, there are 2).

However, in Groups 13-18, minus the group number by 10 (eg. In Group 15, 15-10 is 5. There are 5 valence electrons).

19
Q

What is responsible for the periodicity of element properties?

A

The electronic configuration of elements (the similarity in the valence shell structure gives the elements similar chemical properties).

20
Q

What does the number of a period tell us?

A

The number of a period gives information about the electronic configuration of an element. The period that an element is located within is equal to the number of occupied electron shells in the element’s atoms.

21
Q

What information does a block give?

A

The block an element is in tells us the element’s highest energy subshell (which is the same name as the block).

Year 11 Chemistry! (2 decks)

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