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Fall 2024 > Chem test 1 > Flashcards

Chem test 1 Flashcards

1
Q

Acetate

A

C2H3O2-

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2
Q

Carbonate

A

CO32-

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3
Q

Bicarbonate

A

HCO3-

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4
Q

Hydroxide

A

OH-

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5
Q

Nitrite

A

NO2-

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6
Q

Chromate

A

CrO42-

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7
Q

Phosphate

A

PO43-

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8
Q

Hydrogen Phosphate

A

HPO42-

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9
Q

Dihydrogen Phosphate

A

H2PO4-

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10
Q

Ammonium

A

NH4+

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11
Q

Hypochlorite

A

ClO-

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12
Q

chlorite

A

ClO2-

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13
Q

Chlorate

A

ClO3-

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14
Q

Perchlorate

A

ClO4-

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15
Q

Sulfite

A

SO32-

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16
Q

Bisulfite

A

HSO3-

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17
Q

Cyanide

A

CN-

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18
Q

Iodate

A

IO3-

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19
Q

Bromate

A

BrO3-

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20
Q

Nitrate

A

NO3-

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21
Q

Dichromate

A

Cr2O72-

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22
Q

ionic compound always contain _______ and ____________ ions

A

positive and negative

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23
Q

In ionic compounds, the formula reflects the

A

smallest whole number ratio

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24
Q

What are the predictable ionic elements?

A

Groups 1 and 2
zinc
silver
aluminum
nitrogen
phosphorus
oxygen
sulfur
fluoride
chloride
bromide
iodide

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25
Q

What is aluminum’s ionic charge?

A

Al3+

26
Q

What is Zinc’s ionic charge?

A

Zn2+

27
Q

What is Silver’s ionic charge?

A

Ag+

28
Q

What are the steps to determining the chemical formula for ionic compounds?

A

Write the ions first
look at the charges
balance the charges

29
Q

When you have 2 predictable ions that are not balanced, how do you balance them?

A

Swap the charges and place them in the subscripts

30
Q

How to name a binary compound?

A

cation (metal) anion (nonmetal) replace the ending with -ide

31
Q

Sulfate

A

SO42-

32
Q

Bisulfate

A

HSO4-

33
Q

what type of elements do we use the cation charge formula for?

A

transition metals

34
Q

When do you use roman numeral when naming compounds?

A

When naming ions with multiple possible charges

35
Q

How do you know when to use the molecular naming rules vs the ionic naming rules?

A

Ions have charges associated with them. Molecular compounds do not

36
Q

Mono

A

1

37
Q

Di

A

2

38
Q

Tri

A

3

39
Q

Tetra

A

4

40
Q

Penta

A

5

41
Q

Hexa

A

6

42
Q

Hepta

A

7

43
Q

Octa

A

8

44
Q

Nona

A

9

45
Q

Deca

A

10

46
Q

When do you use prefixes for naming?

A

When naming molecular compounds

47
Q

When do you reduce the formula to it’s smallest ratio?

A

In Ionic formulas

48
Q

Acids always start with

A

a Hydrogen

49
Q

When naming acids that end in -Ide, add _____ to the beginning and change the ending to

A

Hydro
-Ic

my rIDE has HYDROlICs

50
Q

When naming acids that end in -ate change the ending to

A

-ic

I ATE something ICky

51
Q

When naming acids that end in -ite change the ending to

A

-ous

sprITE is deliciOUS

52
Q

Main group elements bond in such a way that each atom has ______

A

8 electrons

53
Q

In Ionic bonds, electrons are

A

given and taken

54
Q

In covalent bonds, electrons are

A

shared between the two

55
Q

Metals have low ionization energies and want to form

A

cations. They want to give up their electrons to become more stable

56
Q

nonmentals have negative electron affinities and want to form

A

anions. They want to add electrons to become more stable

57
Q

What are polar covalent bonds?

A

electrons are not shared equally with the electron density residing towards the more electronegative atom.

58
Q

What are nonpolar covalent bonds?

A

electrons are essentially shared equally between the atoms

59
Q

what does a high electronegativity mean?

A

high electron affinity

60
Q

What are the nonpolar covalent bond examples?

A

carbon-hydrogen
carbon-carbon
bonds with 2 of the same atoms
i.e. hydrogen-hydrogen

Fall 2024 (86 decks)

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