Chemical Properties Flashcards

1
Q

Solubility of carbonates

A

Should decrease from smaller to the larger elements in group 1 and 2

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2
Q

For group 1 and 2, melting points:

A

Decrease down the group

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3
Q

Group 1 vs Group 2 melting points

A

Group 2 melting points are higher than group 1 melting points

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4
Q

For the s group elements: the smaller the ion and greater the charge

A

The greater the stability of the complex

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5
Q

Group 1 and 2 ionizations energies

A

Decrease with increasing atomic radius

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6
Q

Alkali metals crystallize in:

A

The body centered cubic crystal structure

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7
Q

Be and Mg have which type of packing

A

Hexagonal closed-packing structure

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8
Q

Ca is:

A

Hexagonal and fcc

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9
Q

Sr crystalline structure is:

A

Face centered

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10
Q

Ba crystalline structure is:

A

body centered

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11
Q

Boron and silicon are:

A

Hard and semiconducting in elemental form

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12
Q

Carbon and boron are:

A

Polymorphous

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13
Q

Which elements of these groups easily form compounds with F and O

A

The first two elements

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14
Q

For groups 5 and 6 metallic properties:

A

Increase down these groups

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15
Q

Hailed of heavier elements are:

A

More numerous

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16
Q

Size and stability

A

Like stabilizes like; large anion stabilizers large cation

17
Q

Strength of oxacids (HXO)

A

Grows along with the number of oxygen atoms

18
Q

Transition metals with higher electronegativities:

A

Are less reactive than alkali metals

19
Q

Oxidation states of chromium

A

+2,+3,+4,+6

20
Q

Oxidation states of manganese

A

+2 & +7 in acidic media

+4 & +6 in basic media

21
Q

Strong manganese oxidant is

A

MnO4-

22
Q

Irons oxidation states are:

A

+2 (Ferrous)

+3 (Ferric)

23
Q

Nickels oxidation states are

A

+2,+3,+4

24
Q

Copper is the best conductor of electricity and heat besides:

A

Silver

25
Q

Coppers oxidations states are:

A

+1 and +2

26
Q

Copper is resistant to

A

H+ and require oxidizing agents like HNO3

27
Q

Zinc has an oxidation state of:

A

+2 and is obtained via electrolysis of the oxide