IB Chemistry Terms

studied byStudied by 0 people
0.0(0)
Get a hint
Hint

solid to gas

1 / 63

flashcard set

Earn XP

Description and Tags

HL IB Chemistry important terms

64 Terms

1

solid to gas

Sublimation

New cards
2

attractive forces that exist between particles

intermolecular forces

New cards
3

gas to solid

Deposition

New cards
4

pure substance that is made up of only one type of atom and can't be broken down

Elements

New cards
5

pure substance composed of two or more different elements that are chemically combined.

Compound

New cards
6

two or more atoms chemically bonded together

Molecule

New cards
7

A combination of two or more substances that are not chemically combined

Mixture

New cards
8

a mixture that is uniform in composition; components are evenly distributed and not easily distinguished

homogeneous mixture

New cards
9

A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture

heterogeneous mixture

New cards
10

technique that is used to separate the components of a mixture based on their different boiling points.

Fractional distillation

New cards
11

A substance that is dissolved in a solution.

solute

New cards
12

the substance in which the solute dissolves

Solvent

New cards
13

(chemistry) a process in which one or more substances are changed into others

chemical reaction

New cards
14

a principle stating that mass cannot be created or destroyed.

conservation of mass

New cards
15

mass of an atom of an element relative to 1/12th of the mass of carbon-12

Relative atomic mass

New cards
16

Atoms of the same element that have different numbers of neutrons

isotopes

New cards
17

an instrument that is used to determine the molecular weight of a compound

mass spectrometer

New cards
18

the SI base unit used to measure the amount of a substance

mole

New cards
19

a formula with the simplest whole-number ratio of elements in a compound

empirical formula

New cards
20

the substance that controls the quantity of product that can form in a chemical reaction

limiting reactant

New cards
21

the substance that is not used up completely in a reaction

excess reactant

New cards
22

gas that exhibits the five postulates of the kinetic molecular theory,

ideal gas

New cards
23

PV=nRT

Ideal Gas Law

New cards
24

the average kinetic energy of particles in a substance

Temperature

New cards
25

A solution of known concentration is used to determine the concentration of another solution.

Titration

New cards
26

the point at which the indicator changes color

end point of titration

New cards
27

A compound that changes color in the presence of an acid or a base

indicator

New cards
28

A subatomic particle that has a positive charge and is found in the nucleus of an atom

Proton

New cards
29

negatively charged subatomic particles

Electrons

New cards
30

element with unstable isotopes

radioactive element

New cards
31

a region of space in which there is a high probability of finding an electron

atomic orbital

New cards
32
  1. Vaporisation 2.Ionisation 3.Acceleration 4.Ion drift 5.Detection

Mass spectrometer steps

New cards
33

an instrument used to measure the precise masses and relative amounts of ions

mass spectrometer

New cards
34

An atom that has absorbed energy

excited atom

New cards
35

wide range of radiation

electromagnetic spectrum

New cards
36

shorter

the higher the frequency, the ___ the wavelength

New cards
37

more

the higher the frequency, the --- energy

New cards
38

atomic theory

Dalton

New cards
39

discovered the electron

JJ Thomson

New cards
40

discovered the nucleus

Rutherford

New cards
41

The distance between two corresponding parts of a wave

Wavelength

New cards
42

the number of waves that pass a point in one second.

frequency

New cards
43

inversely proportional

frequency and wavelength are

New cards
44

separation of the white light into its component colours

dispersion

New cards
45

electrons absorb and energy and transfer to a higher energy level

Absorption line spectra are produced when

New cards
46

electrons emit energy and transfer to a lower energy level.

Emission line spectra are produced when

New cards
47

The highest-energy end of each series of spectral lines

Convergence limit

New cards
48

the energy required to remove an electron from an atom

Ionisation energy

New cards
49

energy required to remove one mole of electrons from one mole of gaseous atoms to produce one mole of gaseous 1+ ions.

first ionization energy

New cards
50

greater

The closer to the nucleus the ________ the ionization energy.

New cards
51

the distance from the center of an atom's nucleus to its outermost electron

atomic radius

New cards
52

nuclear charge

affects all trends

New cards
53

the weaker the attraction

the more inner electrons

New cards
54

increases across a period

effective nuclear charge trend

New cards
55

increases down a group, decreases across a period

atomic radius trend

New cards
56

decreases across a period and increases down a group

Ionic Radius Trend

New cards
57

smaller

cations are _____ than their parent atoms

New cards
58

bigger

anions are ____ than their parent atoms

New cards
59

decreases down a group, increases across a period

ionization energy trend

New cards
60

increases across a period, decreases down a group

electron affinity trend

New cards
61

a measure of the attraction of an atom for a bonding pair of electrons

Electronegativety

New cards
62

increases across a period, decreases down a group

electronegativity trend

New cards
63

decreases across a period and increases down a group

metallic character trend

New cards
64

the more metallic

the easier to lose electrons

New cards

Explore top notes

note Note
studied byStudied by 27 people
... ago
5.0(1)
note Note
studied byStudied by 157 people
... ago
5.0(2)
note Note
studied byStudied by 28 people
... ago
5.0(2)
note Note
studied byStudied by 1 person
... ago
5.0(1)
note Note
studied byStudied by 4077 people
... ago
4.6(23)
note Note
studied byStudied by 10 people
... ago
5.0(1)
note Note
studied byStudied by 1 person
... ago
5.0(1)
note Note
studied byStudied by 1 person
... ago
5.0(1)

Explore top flashcards

flashcards Flashcard (50)
studied byStudied by 19 people
... ago
5.0(2)
flashcards Flashcard (79)
studied byStudied by 14 people
... ago
5.0(1)
flashcards Flashcard (100)
studied byStudied by 8 people
... ago
5.0(1)
flashcards Flashcard (20)
studied byStudied by 39 people
... ago
5.0(1)
flashcards Flashcard (64)
studied byStudied by 14 people
... ago
5.0(1)
flashcards Flashcard (90)
studied byStudied by 4 people
... ago
5.0(1)
flashcards Flashcard (41)
studied byStudied by 492 people
... ago
4.8(4)
flashcards Flashcard (28)
studied byStudied by 41 people
... ago
5.0(1)
robot