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Rishan - Science > Chemistry - Key terms > Flashcards

Chemistry - Key terms Flashcards

(237 cards)

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1
Q

Atom

A

atom + the smallest unit of matter

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2
Q

Molekül

A

molecule + a group of atoms bonded together

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3
Q

Reaktion

A

reaction + a chemical change resulting in a new substance

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4
Q

Lösung

A

solution + a homogeneous mixture of substances

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5
Q

Element

A

element + a pure substance consisting of only one type of atom

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6
Q

Verbindung

A

compound + a substance made of two or more elements chemically bonded

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7
Q

Ion

A

ion + an atom or molecule with a charge

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8
Q

Kation

A

cation + a positively charged ion

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9
Q

Anion

A

anion + a negatively charged ion

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10
Q

Elektron

A

electron + a subatomic particle with a negative charge

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11
Q

Proton

A

proton + a subatomic particle with a positive charge

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12
Q

Neutron

A

neutron + a neutral subatomic particle

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13
Q

Bindung

A

bond + a force holding atoms together

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14
Q

kovalente Bindung

A

covalent bond + a chemical bond formed by sharing electrons

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15
Q

Ionenbindung

A

ionic bond + a bond formed by the attraction of oppositely charged ions

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16
Q

Metallbindung

A

metallic bond + a bond between metal atoms

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17
Q

Lösungsmittel

A

solvent + a substance that dissolves another

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18
Q

Säure

A

acid + a substance that releases hydrogen ions in solution

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19
Q

Base

A

base + a substance that accepts hydrogen ions

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20
Q

pH-Wert

A

pH value + a measure of the acidity or alkalinity of a solution

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21
Q

Indikator

A

indicator + a substance that changes color to show pH

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22
Q

Redoxreaktion

A

redox reaction + a reaction involving electron transfer

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23
Q

Oxidation

A

oxidation + loss of electrons

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24
Q

Reduktion

A

reduction + gain of electrons

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25
Edelgas
noble gas + a very unreactive gas
26
Alkalimetall
alkali metal + an element in Group 1 of the periodic table
27
Erdalkalimetall
alkaline earth metal + an element in Group 2 of the periodic table
28
Halogen
halogen + a reactive nonmetal element
29
Periodensystem
periodic table + a chart of elements arranged by atomic number
30
Aggregatzustand
state of matter + solid, liquid, or gas phase
31
Feststoff
solid + state of matter with fixed shape and volume
32
Flüssigkeit
liquid + state of matter with fixed volume but no fixed shape
33
Gas
gas + state of matter with neither fixed shape nor volume
34
Schmelzpunkt
melting point + the temperature at which a solid becomes a liquid
35
Siedepunkt
boiling point + the temperature at which a liquid becomes a gas
36
Dichte
density + mass per unit volume
37
Masse
mass + amount of matter in an object
38
Volumen
volume + amount of space occupied
39
Temperatur
temperature + measure of heat energy
40
Druck
pressure + force per unit area
41
chemische Formel
chemical formula + notation showing element composition
42
Strukturformel
structural formula + shows how atoms are connected
43
Mol
mole + unit for amount of substance
44
Stoffmenge
amount of substance + measured in moles
45
Konzentration
concentration + amount of substance per unit volume
46
Katalysator
catalyst + speeds up a reaction without being consumed
47
Reaktionsgeschwindigkeit
reaction rate + speed at which a chemical reaction occurs
48
Gleichgewicht
equilibrium + a state where reactants and products are constant
49
Enthalpie
enthalpy + heat content of a system
50
Energie
energy + capacity to do work or produce heat
51
52
53
Wasserstoff
hydrogen + lightest element, highly flammable gas
54
Helium
helium + inert noble gas, used in balloons
55
Lithium
lithium + light metal, used in batteries
56
Beryllium
beryllium + hard metal, used in aerospace materials
57
Bor
boron + metalloid, used in glass and detergents
58
Kohlenstoff
carbon + basis of all life, found in organic compounds
59
Stickstoff
nitrogen + major part of Earth's atmosphere
60
Sauerstoff
oxygen + essential for respiration, part of water
61
Fluor
fluorine + highly reactive, used in toothpaste
62
Neon
neon + noble gas, used in lighting
63
Natrium
sodium + reactive metal, part of common salt
64
Magnesium
magnesium + light metal, burns with bright flame
65
Aluminium
aluminum + lightweight metal, widely used
66
Silicium
silicon + used in electronics and glass
67
Phosphor
phosphorus + important in DNA and fertilizers
68
Schwefel
sulfur + yellow nonmetal, used in sulfuric acid
69
Chlor
chlorine + greenish gas, disinfectant
70
Argon
argon + inert noble gas, used in welding
71
Kalium
potassium + reactive metal, essential for life
72
Calcium
calcium + important for bones and teeth
73
Eisen
iron + metal used in construction and blood oxygen transport
74
Kupfer
copper + good conductor of electricity
75
Zink
zinc + corrosion-resistant metal, used in galvanization
76
Silber
silver + precious metal, high conductivity
77
Gold
gold + valuable metal, resistant to corrosion
78
Quecksilber
mercury + only liquid metal at room temperature
79
Blei
lead + heavy metal, toxic in high doses
80
Atom
atom + the smallest unit of matter
81
Molekül
molecule + a group of atoms bonded together
82
Reaktion
reaction + a chemical change resulting in a new substance
83
Lösung
solution + a homogeneous mixture of substances
84
Element
element + a pure substance consisting of only one type of atom
85
Verbindung
compound + a substance made of two or more elements chemically bonded
86
Ion
ion + an atom or molecule with a charge
87
Kation
cation + a positively charged ion
88
Anion
anion + a negatively charged ion
89
Elektron
electron + a subatomic particle with a negative charge
90
Proton
proton + a subatomic particle with a positive charge
91
Neutron
neutron + a neutral subatomic particle
92
Bindung
bond + a force holding atoms together
93
kovalente Bindung
covalent bond + a chemical bond formed by sharing electrons
94
Ionenbindung
ionic bond + a bond formed by the attraction of oppositely charged ions
95
Metallbindung
metallic bond + a bond between metal atoms
96
Lösungsmittel
solvent + a substance that dissolves another
97
Säure
acid + a substance that releases hydrogen ions in solution
98
Base
base + a substance that accepts hydrogen ions
99
pH-Wert
pH value + a measure of the acidity or alkalinity of a solution
100
Indikator
indicator + a substance that changes color to show pH
101
Redoxreaktion
redox reaction + a reaction involving electron transfer
102
Oxidation
oxidation + loss of electrons
103
Reduktion
reduction + gain of electrons
104
Edelgas
noble gas + a very unreactive gas
105
Alkalimetall
alkali metal + an element in Group 1 of the periodic table
106
Erdalkalimetall
alkaline earth metal + an element in Group 2 of the periodic table
107
Halogen
halogen + a reactive nonmetal element
108
Periodensystem
periodic table + a chart of elements arranged by atomic number
109
Aggregatzustand
state of matter + solid, liquid, or gas phase
110
Feststoff
solid + state of matter with fixed shape and volume
111
Flüssigkeit
liquid + state of matter with fixed volume but no fixed shape
112
Gas
gas + state of matter with neither fixed shape nor volume
113
Schmelzpunkt
melting point + the temperature at which a solid becomes a liquid
114
Siedepunkt
boiling point + the temperature at which a liquid becomes a gas
115
Dichte
density + mass per unit volume
116
Masse
mass + amount of matter in an object
117
Volumen
volume + amount of space occupied
118
Temperatur
temperature + measure of heat energy
119
Druck
pressure + force per unit area
120
chemische Formel
chemical formula + notation showing element composition
121
Strukturformel
structural formula + shows how atoms are connected
122
Mol
mole + unit for amount of substance
123
Stoffmenge
amount of substance + measured in moles
124
Konzentration
concentration + amount of substance per unit volume
125
Katalysator
catalyst + speeds up a reaction without being consumed
126
Reaktionsgeschwindigkeit
reaction rate + speed at which a chemical reaction occurs
127
Gleichgewicht
equilibrium + a state where reactants and products are constant
128
Enthalpie
enthalpy + heat content of a system
129
Energie
energy + capacity to do work or produce heat
130
German Word
English Translation + Meaning
131
Wasserstoff
hydrogen + lightest element, highly flammable gas
132
Helium
helium + inert noble gas, used in balloons
133
Lithium
lithium + light metal, used in batteries
134
Beryllium
beryllium + hard metal, used in aerospace materials
135
Bor
boron + metalloid, used in glass and detergents
136
Kohlenstoff
carbon + basis of all life, found in organic compounds
137
Stickstoff
nitrogen + major part of Earth's atmosphere
138
Sauerstoff
oxygen + essential for respiration, part of water
139
Fluor
fluorine + highly reactive, used in toothpaste
140
Neon
neon + noble gas, used in lighting
141
Natrium
sodium + reactive metal, part of common salt
142
Magnesium
magnesium + light metal, burns with bright flame
143
Aluminium
aluminum + lightweight metal, widely used
144
Silicium
silicon + used in electronics and glass
145
Phosphor
phosphorus + important in DNA and fertilizers
146
Schwefel
sulfur + yellow nonmetal, used in sulfuric acid
147
Chlor
chlorine + greenish gas, disinfectant
148
Argon
argon + inert noble gas, used in welding
149
Kalium
potassium + reactive metal, essential for life
150
Calcium
calcium + important for bones and teeth
151
Eisen
iron + metal used in construction and blood oxygen transport
152
Kupfer
copper + good conductor of electricity
153
Zink
zinc + corrosion-resistant metal, used in galvanization
154
Silber
silver + precious metal, high conductivity
155
Gold
gold + valuable metal, resistant to corrosion
156
Quecksilber
mercury + only liquid metal at room temperature
157
Blei
lead + heavy metal, toxic in high doses
158
Sicherheitsbrille
safety goggles + protective eyewear for chemical work
159
Laborkittel
lab coat + protective clothing for laboratory use
160
Handschuhe
gloves + protection for hands from chemicals
161
Abzug
fume hood + ventilated enclosure to work with hazardous substances
162
Notdusche
emergency shower + used to wash off hazardous substances
163
Augendusche
eye wash station + used for rinsing chemicals from eyes
164
Feuerlöscher
fire extinguisher + device to put out fires
165
Erste-Hilfe-Kasten
first aid kit + supplies for medical emergencies
166
Gefahrstoff
hazardous material + substances dangerous to health or environment
167
Warnschild
warning sign + indicates dangers and safety information
168
Chemikalienbeständigkeit
chemical resistance + ability to withstand chemical attack
169
Sicherheitsdatenblatt
safety data sheet + document with chemical safety information
170
Entsorgung
disposal + proper removal of waste materials
171
Lüftung
ventilation + circulation of air to reduce exposure to chemicals
172
Brandschutz
fire protection + measures to prevent or respond to fires
173
Kennzeichnung
labeling + identifying hazardous substances clearly
174
Explosionsgefahr
explosion hazard + risk of explosion
175
Giftigkeit
toxicity + degree to which a substance can harm humans or animals
176
Reizstoff
irritant + substance causing inflammation on contact
177
Ätzend
corrosive + substance that can destroy living tissue or materials
178
Entflammbarkeit
flammability + ability of a substance to catch fire
179
Inhalationsgefahr
inhalation hazard + risk from breathing harmful substances
180
Verschüttung
spill + accidental release of chemicals
181
Dekontamination
decontamination + removal of dangerous substances
182
Sicherheitsvorkehrung
safety precaution + measures to prevent accidents
183
Belüftungssystem
ventilation system + system to remove contaminated air
184
Rettungsweg
escape route + safe way to exit in emergencies
185
Sicherheitsunterweisung
safety briefing + training about lab risks and precautions
186
Verletzungsgefahr
risk of injury + danger of getting hurt
187
Gefahrensymbol
hazard symbol + graphic symbol warning of chemical dangers
188
Atom
atom + the smallest unit of matter
189
Molekül
molecule + a group of atoms bonded together
190
Reaktion
reaction + a chemical change resulting in a new substance
191
Lösung
solution + a homogeneous mixture of substances
192
Element
element + a pure substance consisting of only one type of atom
193
Verbindung
compound + a substance made of two or more elements chemically bonded
194
Ion
ion + an atom or molecule with a charge
195
Kation
cation + a positively charged ion
196
Anion
anion + a negatively charged ion
197
Elektron
electron + a subatomic particle with a negative charge
198
Proton
proton + a subatomic particle with a positive charge
199
Neutron
neutron + a neutral subatomic particle
200
Bindung
bond + a force holding atoms together
201
kovalente Bindung
covalent bond + a chemical bond formed by sharing electrons
202
Ionenbindung
ionic bond + a bond formed by the attraction of oppositely charged ions
203
Metallbindung
metallic bond + a bond between metal atoms
204
Lösungsmittel
solvent + a substance that dissolves another
205
Säure
acid + a substance that releases hydrogen ions in solution
206
Base
base + a substance that accepts hydrogen ions
207
pH-Wert
pH value + a measure of the acidity or alkalinity of a solution
208
Indikator
indicator + a substance that changes color to show pH
209
Redoxreaktion
redox reaction + a reaction involving electron transfer
210
Oxidation
oxidation + loss of electrons
211
Reduktion
reduction + gain of electrons
212
Edelgas
noble gas + a very unreactive gas
213
Alkalimetall
alkali metal + an element in Group 1 of the periodic table
214
Erdalkalimetall
alkaline earth metal + an element in Group 2 of the periodic table
215
Halogen
halogen + a reactive nonmetal element
216
Periodensystem
periodic table + a chart of elements arranged by atomic number
217
Aggregatzustand
state of matter + solid, liquid, or gas phase
218
Feststoff
solid + state of matter with fixed shape and volume
219
Flüssigkeit
liquid + state of matter with fixed volume but no fixed shape
220
Gas
gas + state of matter with neither fixed shape nor volume
221
Schmelzpunkt
melting point + the temperature at which a solid becomes a liquid
222
Siedepunkt
boiling point + the temperature at which a liquid becomes a gas
223
Dichte
density + mass per unit volume
224
Masse
mass + amount of matter in an object
225
Volumen
volume + amount of space occupied
226
Temperatur
temperature + measure of heat energy
227
Druck
pressure + force per unit area
228
chemische Formel
chemical formula + notation showing element composition
229
Strukturformel
structural formula + shows how atoms are connected
230
Mol
mole + unit for amount of substance
231
Stoffmenge
amount of substance + measured in moles
232
Konzentration
concentration + amount of substance per unit volume
233
Katalysator
catalyst + speeds up a reaction without being consumed
234
Reaktionsgeschwindigkeit
reaction rate + speed at which a chemical reaction occurs
235
Gleichgewicht
equilibrium + a state where reactants and products are constant
236
Enthalpie
enthalpy + heat content of a system
237
Energie
energy + capacity to do work or produce heat

Rishan - Science (6 decks)

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