[Chemistry] Unit 2 (WIP) Flashcards by ETHAN MARTZ | Brainscape

Q

What is an amu?

A

amu stands for Atomic Mass Unit
1 atom of C-12 is 12 amu

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Q

Another Name for Atomic Weight

A

Molar Mass

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Q

What is He-4

A

A atom of Helium with 4 neutrons

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Q

What is Avogadro’s number

A

6.02E23

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Q

Grams to mol conversion

A

divide grams by the Atomic Weight

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Q

What is mol to atom conversion

A

multiple mol by Avogadro’s number

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Q

What is the mass of an Electron

A

9.11E-28 g

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Q

What is the mass of a Proton

A

1.673E-24 g

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Q

What is the mass of a neutron

A

1.675E-24 g

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Q

What charge is a proton

A

positive

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Q

What charge is a neutron

A

neutral

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Q

What charge is an electron?

A

Negitive

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Q

What tells the amount of protons in an element

A

Atomic Number

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