Test 1 Flashcards

1
Q

How do you get from Kelvin to Celsius?

A

K - 273.15 = C

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2
Q

What is kilo-?

A

10^3

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3
Q

What is hecto-?

A

10^2

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4
Q

What is deca-?

A

10^1

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5
Q

What is deci-?

A

10^-1

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6
Q

What is centi-?

A

10^-2

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7
Q

What is milli-?

A

10^-3

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8
Q

What is micro-?

A

10^-6

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9
Q

What is nano-?

A

10^-9

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10
Q

What is Avogadro’s number?

A

6.022x10^23

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11
Q

What is an ionic bond?

A

A bond where one atom takes an electron from another and they are bound via the negative-positive charges that result from that interaction

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12
Q

What is a molecular bond?

A

A bond where two atoms share electrons, if the sharing is unequal the bond is polar.

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13
Q

What are ions?

A

Different charged versions of the same element due to a different number of electrons

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14
Q

What are isotopes?

A

Different versions of the same element due to a different number of neutrons– increasing atomic mass

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15
Q

What is Zeff?

A

Effective nuclear charge (protons - inner electrons), the electrons that actually have an effective charge

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16
Q

What is electron affinity?

A

the energy required to add an electron to an atom, increases up and across the periodic table approaching fluorine

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17
Q

What is ionization energy?

A

the energy required to remove an electron, increases up and across the periodic table approaching fluorine

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18
Q

What is electronegativity?

A

how well an element can attract electrons, increases up and across the periodic table approaching fluorine

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19
Q

What is atomic radii?

A

basically atom “size”, increases the further left and down the periodic table you go

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20
Q

What are halogens?

A

Group 17, starts with flourine

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21
Q

What are chalcogens?

A

Group 16, starts with oxygen

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22
Q

What are pnictogens?

A

Group 15, starts with nitrogen

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23
Q

What is a homogenous mixture?

A

even dispersion of mixture components

24
Q

What is a heterogeneous mixture?

A

uneven dispersion of mixture components

25
Q

What is a pure substance?

A

composed of a single element or compound

26
Q

What is a compound?

A

two or more elements

27
Q

What are chemical properties?

A

the abilities of matter to undergo changes in the presence of certain chemicals

28
Q

What are physical properties?

A

the extensive and intensive properties of certain types of matter that do not change its composition

29
Q

What are extensive properties?

A

properties of matter that depend of the amount of it present

30
Q

What are intensive properties?

A

properties of matter that do not depend of the amount of it present

31
Q

What is a phase boundary?

A

the point between two states of matter

32
Q

What is the critical point?

A

The temp and pressure where the density of gas and liquid are equal

33
Q

What is a supercritical fluid?

A

indistinguishable between gas or liquid

34
Q

What are alkali metals?

A

Group 1, starting with Li

35
Q

What are alkali earth metals?

A

Group 2, starting with Be

36
Q

What are metalloids?

A

An “in-between” group of elements starting with B

37
Q

What are post-transition metals?

A

A group of elements from G 13 to G 16, starting with Al

38
Q

What are transition metals?

A

All the elements in the “d” block

39
Q

What is cyanide?

A

CN negative 1

40
Q

What is carbonate?

A

CO3 negative 2

41
Q

What is phosphate?

A

PO4 negative 3

42
Q

What is phosphite?

A

PO3 negative 3

43
Q

What is sulfite?

A

SO3 negative 2

44
Q

What is sulfate?

A

SO4 negative 2

45
Q

What is nitrite?

A

NO2 negative 1

46
Q

What is nitrate?

A

NO3 negative 1

47
Q

What is hydroxide?

A

OH negative 1

48
Q

What is ammonium?

A

NH4 positive 1

49
Q

What is sublimation?

A

Solid to Gas

50
Q

What is deposition?

A

Gas to Solid

51
Q

What is ionization?

A

Gas to Plasma

52
Q

What is recombination?

A

Plasma to Gas

53
Q

What are examples of chemical properites?

A

flammability, toxicity, acidity, reactivity

54
Q

What are examples of intensive properties?

A

boiling point, hardness, color

55
Q

What are examples of extensive properties?

A

mass, volume and entropy