CCVX CHEMISTRY at Bremen | Flashcards & Summaries

Lernmaterialien für CCVX CHEMISTRY an der Bremen

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Matter consists of ...

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Quarks, leptons, gauge bosons, Higgs bosons

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Protons and neutrons consist of ...

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Quarks

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Atomic theory

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- each element consists of a very small mass of indivisible particles = atoms

- all atoms of an element have the same mass and properties

- Atoms of one element are not converted into atoms of another element in chemical reactions - Connections are created by combining atoms of different elements

- Atoms prefer to be electrically uncharged to the outside world

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Elementary particles

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Electrons
Neutrons
Protons

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Proton mass

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1.007u

 is about 2000 times heavier than an electron, about the same mass as a neutron

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1u

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1/12 the mass of a carbon atom 12C

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Elemental charge

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1.602x10 ^ -19C

smallest possible amount of a load

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Non-bond radius

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smallest distances between atomic nuclei while their electron clouds collide and the atoms are not bound to each other

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Bond radius

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definable when atoms form a compound Distance from which a connection is established

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Atomic nucleus

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- positively charged

 - contains neutrons and protons = nucleons 

- Number of protons determines the element

 - almost the entire mass of the atom

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Electrons / atomic shell

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- Place of chemical bonds

- electrons are in different energy levels (= shells)

- negatively charged

- Protons or nuclei orbit around (Bohr's atomic model) and are attracted by them

- determines the volume of the atom

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matter

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all things that have a mass

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Beispielhafte Karteikarten für deinen CCVX CHEMISTRY Kurs an der Bremen - von Kommilitonen auf StudySmarter erstellt!

Q:

Matter consists of ...

A:

Quarks, leptons, gauge bosons, Higgs bosons

Q:

Protons and neutrons consist of ...

A:

Quarks

Q:


Atomic theory

A:

- each element consists of a very small mass of indivisible particles = atoms

- all atoms of an element have the same mass and properties

- Atoms of one element are not converted into atoms of another element in chemical reactions - Connections are created by combining atoms of different elements

- Atoms prefer to be electrically uncharged to the outside world

Q:

Elementary particles

A:

Electrons
Neutrons
Protons

Q:


Proton mass

A:

1.007u

 is about 2000 times heavier than an electron, about the same mass as a neutron

Mehr Karteikarten anzeigen
Q:

1u

A:

1/12 the mass of a carbon atom 12C

Q:


Elemental charge

A:

1.602x10 ^ -19C

smallest possible amount of a load

Q:


Non-bond radius

A:

smallest distances between atomic nuclei while their electron clouds collide and the atoms are not bound to each other

Q:


Bond radius

A:

definable when atoms form a compound Distance from which a connection is established

Q:


Atomic nucleus

A:

- positively charged

 - contains neutrons and protons = nucleons 

- Number of protons determines the element

 - almost the entire mass of the atom

Q:


Electrons / atomic shell

A:

- Place of chemical bonds

- electrons are in different energy levels (= shells)

- negatively charged

- Protons or nuclei orbit around (Bohr's atomic model) and are attracted by them

- determines the volume of the atom

Q:

matter

A:

all things that have a mass

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