First day of Chem notes 9-11 Flashcards by Elias Vandreason

Q

Chemistry is the study of

A

matter

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Q

Matter is

A

anything that has mass and takes up space

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Q

Mass is

A

the amount of matter

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Q

Weight depends on

A

gravity

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Q

Mass unit

A

Grams

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Q

Length unit

A

Meters

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Q

Volume unit

A

Liters

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Q

3 Subatomic particles

A

Proton, Neutron, Electron

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Q

Protons charge

A

Positive

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Q

Neutrons charge

A

Neutral

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Q

Electrons charge

A

Negative

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Q

Protons mass

A

1 amu

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Q

Neutrons mass

A

1 amu

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Q

Electrons mass

A

0 amu (or 1/1836 amu)

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Q

Magnitude of proton =

A

Magnitude of electron

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Q

Magnitude of electron =

A

Magnitude of proton

Q

amu stands for

A

Atomic Mass Unit

Q

amu is 1/12 the mass of

A

C-12

Q

Proton location

A

Nucleus

Q

Neutron location

A

Nucleus

Q

Electron location

A

Outside nucleus

Q

Atom loses or gains proton

A

Transmutation

Q

Atom loses or gains neutron

A

Isotope

Q

Atom loses or gains electron

A

Ion

Q

Transmutation: loses or gains

A

Proton

Q

Isotope: loses or gains

A

Neutron

Q

Ion: loses or gains

A

Electron

Q

Charged atom

A

Ion

Q

Same atom different mass

A

Isotope

Q

When one atom becomes another

A

Transmutation

Q

2 Nucleons

A

Protons and Neutrons

Q

Nucleons location

A

Nucleus

Q

Atomic number tells us (3 things)

A

1) # of protons 2) # of electrons 3) Nuclear charge

Q

Charge of atom is

A

ZERO!!!

Q

Periodic table arranged by

A

Atomic #

Q

Atomic mass is

A

Protons + Neutrons

Q

Protons + Neutrons is

A

Atomic mass